[Gluster-users] heaps split-brains during back-transfert
Vijaikumar M
vmallika at redhat.com
Mon Aug 3 06:51:37 UTC 2015
Hi Geoffrey,
Please find my comments in-line.
On Saturday 01 August 2015 04:10 AM, Geoffrey Letessier wrote:
> Hello,
>
> As Krutika said, I resolved with success all split-brains (more than
> 3450) appeared after the first data transfert from one backup server
> to my new and fresh volume but…
>
> The following step to validate my new volume was to enable the quota
> on it; and now, more than one day after this activation, all the
> results are still completely wrong:
> Example:
> # df -h /home/sterpone_team
> Filesystem Size Used Avail Use% Mounted on
> ib-storage1:vol_home.tcp
> 14T 3,3T 11T 24% /home
> # pdsh -w storage[1,3] du -sh
> /export/brick_home/brick{1,2}/data/sterpone_team
> storage3: 2,5T/export/brick_home/brick1/data/sterpone_team
> storage3: 2,4T/export/brick_home/brick2/data/sterpone_team
> storage1: 2,7T/export/brick_home/brick1/data/sterpone_team
> storage1: 2,4T/export/brick_home/brick2/data/sterpone_team
> As you can read, all data for this account is around 10TB and quota
> displays only 3.3TB used.
>
> Worse:
> # pdsh -w storage[1,3] du -sh
> /export/brick_home/brick{1,2}/data/baaden_team
> storage3: 2,9T/export/brick_home/brick1/data/baaden_team
> storage3: 2,7T/export/brick_home/brick2/data/baaden_team
> storage1: 3,2T/export/brick_home/brick1/data/baaden_team
> storage1: 2,8T/export/brick_home/brick2/data/baaden_team
> # df -h /home/baaden_team/
> Filesystem Size Used Avail Use% Mounted on
> ib-storage1:vol_home.tcp
> 20T 786G 20T 4% /home
> # gluster volume quota vol_home list /baaden_team
> Path Hard-limit Soft-limit Used Available
> Soft-limit exceeded? Hard-limit exceeded?
> ---------------------------------------------------------------------------------------------------------------------------
> /baaden_team 20.0TB 80% 785.6GB 19.2TB
> No No
> This account is around 11.6TB and quota detects only 786GB used…
>
As you mentioned below, some of the bricks were down. 'quota list' will
only show the aggregated value of online bricks, Could you please check
the 'quota list' when all the bricks are up and running?
I suspect quota initiate might not have completed because of brick down.
> Can someone help me to fix it -knowing if I've previously updated
> GlusterFS from 3.5.3 to 3.7.2 it was exactly to solve a similar trouble…
>
> For information, in quotad log file:
> [2015-07-31 22:13:00.574361] I [MSGID: 114047]
> [client-handshake.c:1225:client_setvolume_cbk] 0-vol_home-client-7:
> Server and Client lk-version numbers are not same, reopening the fds
> [2015-07-31 22:13:00.574507] I [MSGID: 114035]
> [client-handshake.c:193:client_set_lk_version_cbk]
> 0-vol_home-client-7: Server lk version = 1
>
> is there any causal connection (client/server version conflict)?
>
> Here what i noticed on my /var/log/glusterfs/quota-mount-vol_home.log
> file:
> … <same kind of lines>
> [2015-07-31 21:26:15.247269] I [rpc-clnt.c:1819:rpc_clnt_reconfig]
> 0-vol_home-client-5: changing port to 49162 (from 0)
> [2015-07-31 21:26:15.250272] E [socket.c:2332:socket_connect_finish]
> 0-vol_home-client-5: connection to 10.0.4.2:49162 failed (Connexion
> refusée)
> [2015-07-31 21:26:19.250545] I [rpc-clnt.c:1819:rpc_clnt_reconfig]
> 0-vol_home-client-5: changing port to 49162 (from 0)
> [2015-07-31 21:26:19.253643] E [socket.c:2332:socket_connect_finish]
> 0-vol_home-client-5: connection to 10.0.4.2:49162 failed (Connexion
> refusée)
> … <same kind of lines>
>
Connection refused is because brick is down.
> <A few minutes after:> OK, this was due to one brick which was down.
> It’s strange: since I have updated GlusteFS to 3.7.x I notice a lot of
> bricks which go down, sometimes a few moment after starting the
> volume, sometime after a couple of days/weeks… What never happened
> with GlusterFS version 3.3.1 and 3.5.3.
>
Could please provide brick log? We will check the log on this issue,
once this issue is fixed, we can initiate quota healing again.
> Now, I need to stop-and-start the volume because I notice again some
> hangs with "gluster volume quota … ", "df", etc. One more time, i’ve
> never noticed this kind of hangs with previous versions of GlusterFS I
> used; is it "expected"?
From you previous mail we tried re-creating hang problem, however it
was not re-creating.
> One more time: thank you very much by advance.
> Geoffrey
>
> ------------------------------------------------------
> Geoffrey Letessier
> Responsable informatique & ingénieur système
> UPR 9080 - CNRS - Laboratoire de Biochimie Théorique
> Institut de Biologie Physico-Chimique
> 13, rue Pierre et Marie Curie - 75005 Paris
> Tel: 01 58 41 50 93 - eMail: geoffrey.letessier at ibpc.fr
> <mailto:geoffrey.letessier at ibpc.fr>
>
> Le 31 juil. 2015 à 11:26, Niels de Vos <ndevos at redhat.com
> <mailto:ndevos at redhat.com>> a écrit :
>
>> On Wed, Jul 29, 2015 at 12:44:38AM +0200, Geoffrey Letessier wrote:
>>> OK, thank you Niels for this explanation. Now, this makes sense.
>>>
>>> And concerning all split-brains appeared during the back-transfert,
>>> do you have an idea where is this coming from?
>>
>> Sorry, no, I dont know how that is happening in your environment. I'll
>> try to find someone that understands more about it and can help you with
>> that.
>>
>> Niels
>>
>>>
>>> Best,
>>> Geoffrey
>>> ------------------------------------------------------
>>> Geoffrey Letessier
>>> Responsable informatique & ingénieur système
>>> UPR 9080 - CNRS - Laboratoire de Biochimie Théorique
>>> Institut de Biologie Physico-Chimique
>>> 13, rue Pierre et Marie Curie - 75005 Paris
>>> Tel: 01 58 41 50 93 - eMail: geoffrey.letessier at ibpc.fr
>>> <mailto:geoffrey.letessier at ibpc.fr>
>>>
>>> Le 29 juil. 2015 à 00:02, Niels de Vos <ndevos at redhat.com
>>> <mailto:ndevos at redhat.com>> a écrit :
>>>
>>>> On Tue, Jul 28, 2015 at 03:46:37PM +0200, Geoffrey Letessier wrote:
>>>>> Hi,
>>>>>
>>>>> In addition of all split brains reported, is it normal to notice
>>>>> thousands and thousands (several tens nay hundreds of thousands)
>>>>> broken symlinks browsing the .glusterfs directory on each brick?
>>>>
>>>> Yes, I think it is normal. A symlink points to a particular filename,
>>>> possibly in a different directory. If the target file is located on a
>>>> different brick, the symlink points to a non-local file.
>>>>
>>>> Consider this example with two bricks in a distributed volume:
>>>> - file: README
>>>> - symlink: IMPORTANT -> README
>>>>
>>>> When the distribution algorithm is done, README 'hashes' to
>>>> brick-A. The
>>>> symlink 'hashes' to brick-B. This means that README will be localed on
>>>> brick-A, and the symlink with name IMPORTANT would be located on
>>>> brick-B. Because README is not on the same brick as IMPORTANT, the
>>>> symlink points to the non-existing file README on brick-B.
>>>>
>>>> However, when a Gluster client reads the target of symlink IMPORTANT,
>>>> the Gluster client calculate the location of README and will know that
>>>> README can be found on brick-A.
>>>>
>>>> I hope that makes sense?
>>>>
>>>> Niels
>>>>
>>>>
>>>>> For the moment, i just synchronized one remote directory (around 30TB
>>>>> and a few million files) into my new volume. No other operations on
>>>>> files on this volume has yet been done.
>>>>> How can I fix it? Can I delete these dead-symlinks? How can I fix all
>>>>> my split-brains?
>>>>>
>>>>> Here is an example of a ls:
>>>>> [root at cl-storage3 ~]# cd
>>>>> /export/brick_home/brick1/data/.glusterfs/7b/d2/
>>>>> [root at cl-storage3 d2]# ll
>>>>> total 8,7M
>>>>> 13706 drwx------ 2 root root 8,0K 26 juil.
>>>>> 17:22 .
>>>>> 2147483784 drwx------ 258 root root 8,0K 20 juil.
>>>>> 23:07 ..
>>>>> 2148444137 -rwxrwxrwx 2 baaden baaden_team 173K 22 mai
>>>>> 2008 7bd200dd-1774-4395-9065-605ae30ec18b
>>>>> 1559384 -rw-rw-r-- 2 tarus amyloid_team 4,3K 19 juin
>>>>> 2013 7bd2155c-7a05-4edc-ae77-35ed7e16afbc
>>>>> 287295 lrwxrwxrwx 1 root root 58 20 juil.
>>>>> 23:38 7bd2370a-100b-411e-89a4-d184da9f0f88 ->
>>>>> ../../a7/59/a759de6f-cdf5-43dd-809a-baf81d103bf7/prop-base
>>>>> 2149090201 -rw-rw-r-- 2 tarus amyloid_team 76K 8 mars
>>>>> 2014 7bd2497f-d24b-4b19-a1c5-80a4956e56a1
>>>>> 2148561174 -rw-r--r-- 2 tran derreumaux_team 575 14 févr.
>>>>> 07:54 7bd25db0-67f5-43e5-a56a-52cf8c4c60dd
>>>>> 1303943 -rw-r--r-- 2 tran derreumaux_team 576 10 févr.
>>>>> 06:06 7bd25e97-18be-4faf-b122-5868582b4fd8
>>>>> 1308607 -rw-r--r-- 2 tran derreumaux_team 414K 16 juin
>>>>> 11:05 7bd2618f-950a-4365-a753-723597ef29f5
>>>>> 45745 -rw-r--r-- 2 letessier admin_team 585 5 janv.
>>>>> 2012 7bd265c7-e204-4ee8-8717-e4a0c393fb0f
>>>>> 2148144918 -rw-rw-r-- 2 tarus amyloid_team 107K 28 févr.
>>>>> 2014 7bd26c5b-d48a-481a-9ca6-2dc27768b5ad
>>>>> 13705 -rw-rw-r-- 2 tarus amyloid_team 25K 4 juin
>>>>> 2014 7bd27e4c-46ba-4f21-a766-389bfa52fd78
>>>>> 1633627 -rw-rw-r-- 2 tarus amyloid_team 75K 12 mars
>>>>> 2014 7bd28631-90af-4c16-8ff0-c3d46d5026c6
>>>>> 1329165 -rw-r--r-- 2 tran derreumaux_team 175 15 juin
>>>>> 23:40 7bd2957e-a239-4110-b3d8-b4926c7f060b
>>>>> 797803 lrwxrwxrwx 2 baaden baaden_team 26 2 avril
>>>>> 2007 7bd29933-1c80-4c6b-ae48-e64e4da874cb ->
>>>>> ../divided/a7/2a7o.pdb1.gz
>>>>> 1532463 -rw-rw-rw- 2 baaden baaden_team 1,8M 2 nov.
>>>>> 2009 7bd29d70-aeb4-4eca-ac55-fae2d46ba911
>>>>> 1411112 -rw-r--r-- 2 sterpone sterpone_team 3,1K 2 mai
>>>>> 2012 7bd2a5eb-62a4-47fc-b149-31e10bd3c33d
>>>>> 2148865896 -rw-r--r-- 2 tran derreumaux_team 2,1M 15 juin
>>>>> 23:46 7bd2ae9c-18ca-471f-a54a-6e4aec5aea89
>>>>> 2148762578 -rw-rw-r-- 2 tarus amyloid_team 154K 11 mars
>>>>> 2014 7bd2b7d7-7745-4842-b7b4-400791c1d149
>>>>> 149216 -rw-r--r-- 2 vamparys sacquin_team 241K 17 mai
>>>>> 2013 7bd2ba98-6a42-40ea-87ea-acb607d73cb5
>>>>> 2148977923 -rwxr-xr-x 2 murail baaden_team 23K 18 juin
>>>>> 2012 7bd2cf57-19e7-451c-885d-fd02fd988d43
>>>>> 1176623 -rw-rw-r-- 2 tarus amyloid_team 227K 8 mars
>>>>> 2014 7bd2d92c-7ec8-4af8-9043-49d1908a99dc
>>>>> 1172122 lrwxrwxrwx 2 sterpone sterpone_team 61 17 avril
>>>>> 12:49 7bd2d96e-e925-45f0-a26a-56b95c084122 ->
>>>>> ../../../../../src/libs/ck-libs/ParFUM-Tops-Dev/ParFUM_TOPS.h
>>>>> 1385933 -rw-r--r-- 2 tran derreumaux_team 2,9M 16 juin
>>>>> 05:29 7bd2df54-17d2-4644-96b7-f8925a67ec1e
>>>>> 745899 lrwxrwxrwx 1 root root 58 22 juil.
>>>>> 09:50 7bd2df83-ce58-4a17-aca8-a32b71e953d4 ->
>>>>> ../../5c/39/5c39010f-fa77-49df-8df6-8d72cf74fd64/model_009
>>>>> 2149100186 -rw-rw-r-- 2 tarus amyloid_team 494K 17 mars
>>>>> 2014 7bd2e865-a2f4-4d90-ab29-dccebe2e3440
>>>>>
>>>>>
>>>>>
>>>>> Best.
>>>>> Geoffrey
>>>>> ------------------------------------------------------
>>>>> Geoffrey Letessier
>>>>> Responsable informatique & ingénieur système
>>>>> UPR 9080 - CNRS - Laboratoire de Biochimie Théorique
>>>>> Institut de Biologie Physico-Chimique
>>>>> 13, rue Pierre et Marie Curie - 75005 Paris
>>>>> Tel: 01 58 41 50 93 - eMail: geoffrey.letessier at ibpc.fr
>>>>> <mailto:geoffrey.letessier at ibpc.fr>
>>>>>
>>>>> Le 27 juil. 2015 à 22:57, Geoffrey Letessier
>>>>> <geoffrey.letessier at cnrs.fr <mailto:geoffrey.letessier at cnrs.fr>> a
>>>>> écrit :
>>>>>
>>>>>> Dears,
>>>>>>
>>>>>> For a couple of weeks (more than one month), our computing
>>>>>> production is stopped due to several -but amazing- troubles with
>>>>>> GlusterFS.
>>>>>>
>>>>>> After having noticed a big problem with incorrect quota size
>>>>>> accounted for many many files, i decided under the guidance of
>>>>>> Gluster team support to upgrade my storage cluster from version
>>>>>> 3.5.3 to the latest (3.7.2-3) because these bugs are
>>>>>> theoretically fixed in this branch. Now, since i’ve done this
>>>>>> upgrade, it’s the amazing mess and i cannot restart the production.
>>>>>> Indeed :
>>>>>> 1 - RDMA protocol is not working and hang my system / shell
>>>>>> commands; only TCP protocol (over Infiniband) is more or less
>>>>>> operational - it’s not a blocking point but…
>>>>>> 2 - read/write performance relatively low
>>>>>> 3 - thousands split-brains are appeared.
>>>>>>
>>>>>> So, for the moment, i believe GlusterFS 3.7 is not actually
>>>>>> production ready.
>>>>>>
>>>>>> Concerning the third point: after having destroy all my volumes
>>>>>> (RAID re-init, new partition, GlusterFS volumes, etc.), recreate
>>>>>> the main one, I tried to back-transfert my data from
>>>>>> archive/backup server info this new volume and I note a lot of
>>>>>> errors in my mount log file, as your can read in this extract:
>>>>>> [2015-07-26 22:35:16.962815] I
>>>>>> [afr-self-heal-entry.c:565:afr_selfheal_entry_do]
>>>>>> 0-vol_home-replicate-0: performing entry selfheal on
>>>>>> 865083fa-984e-44bd-aacf-b8195789d9e0
>>>>>> [2015-07-26 22:35:16.965896] E
>>>>>> [afr-self-heal-entry.c:249:afr_selfheal_detect_gfid_and_type_mismatch]
>>>>>> 0-vol_home-replicate-0: Gfid mismatch detected for
>>>>>> <865083fa-984e-44bd-aacf-b8195789d9e0/job.pbs>,
>>>>>> e944d444-66c5-40a4-9603-7c190ad86013 on vol_home-client-1 and
>>>>>> 820f9bcc-a0f6-40e0-bcec-28a76b4195ea on vol_home-client-0.
>>>>>> Skipping conservative merge on the file.
>>>>>> [2015-07-26 22:35:16.975206] I
>>>>>> [afr-self-heal-entry.c:565:afr_selfheal_entry_do]
>>>>>> 0-vol_home-replicate-0: performing entry selfheal on
>>>>>> 29382d8d-c507-4d2e-b74d-dbdcb791ca65
>>>>>> [2015-07-26 22:35:28.719935] E
>>>>>> [afr-self-heal-entry.c:249:afr_selfheal_detect_gfid_and_type_mismatch]
>>>>>> 0-vol_home-replicate-0: Gfid mismatch detected for
>>>>>> <29382d8d-c507-4d2e-b74d-dbdcb791ca65/res_1BVK_r_u_1IBR_l_u_Cond.1IBR_l_u.1BVK_r_u.UB.global.dat.txt>,
>>>>>> 951c5ffb-ca38-4630-93f3-8e4119ab0bd8 on vol_home-client-1 and
>>>>>> 5ae663ca-e896-4b92-8ec5-5b15422ab861 on vol_home-client-0.
>>>>>> Skipping conservative merge on the file.
>>>>>> [2015-07-26 22:35:29.764891] I
>>>>>> [afr-self-heal-entry.c:565:afr_selfheal_entry_do]
>>>>>> 0-vol_home-replicate-0: performing entry selfheal on
>>>>>> 865083fa-984e-44bd-aacf-b8195789d9e0
>>>>>> [2015-07-26 22:35:29.768339] E
>>>>>> [afr-self-heal-entry.c:249:afr_selfheal_detect_gfid_and_type_mismatch]
>>>>>> 0-vol_home-replicate-0: Gfid mismatch detected for
>>>>>> <865083fa-984e-44bd-aacf-b8195789d9e0/job.pbs>,
>>>>>> e944d444-66c5-40a4-9603-7c190ad86013 on vol_home-client-1 and
>>>>>> 820f9bcc-a0f6-40e0-bcec-28a76b4195ea on vol_home-client-0.
>>>>>> Skipping conservative merge on the file.
>>>>>> [2015-07-26 22:35:29.775037] I
>>>>>> [afr-self-heal-entry.c:565:afr_selfheal_entry_do]
>>>>>> 0-vol_home-replicate-0: performing entry selfheal on
>>>>>> 29382d8d-c507-4d2e-b74d-dbdcb791ca65
>>>>>> [2015-07-26 22:35:29.776857] E
>>>>>> [afr-self-heal-entry.c:249:afr_selfheal_detect_gfid_and_type_mismatch]
>>>>>> 0-vol_home-replicate-0: Gfid mismatch detected for
>>>>>> <29382d8d-c507-4d2e-b74d-dbdcb791ca65/res_1BVK_r_u_1IBR_l_u_Cond.1IBR_l_u.1BVK_r_u.UB.global.dat.txt>,
>>>>>> 951c5ffb-ca38-4630-93f3-8e4119ab0bd8 on vol_home-client-1 and
>>>>>> 5ae663ca-e896-4b92-8ec5-5b15422ab861 on vol_home-client-0.
>>>>>> Skipping conservative merge on the file.
>>>>>> [2015-07-26 22:35:29.800535] W [MSGID: 108008]
>>>>>> [afr-self-heal-name.c:353:afr_selfheal_name_gfid_mismatch_check]
>>>>>> 0-vol_home-replicate-0: GFID mismatch for
>>>>>> <gfid:29382d8d-c507-4d2e-b74d-dbdcb791ca65>/res_1BVK_r_u_1IBR_l_u_Cond.1IBR_l_u.1BVK_r_u.UB.global.dat.txt
>>>>>> 951c5ffb-ca38-4630-93f3-8e4119ab0bd8 on vol_home-client-1 and
>>>>>> 5ae663ca-e896-4b92-8ec5-5b15422ab861 on vol_home-client-0
>>>>>>
>>>>>> And when I try to browse some folders (still in mount log file):
>>>>>> [2015-07-27 09:00:19.005763] I
>>>>>> [afr-self-heal-entry.c:565:afr_selfheal_entry_do]
>>>>>> 0-vol_home-replicate-0: performing entry selfheal on
>>>>>> 2ac27442-8be0-4985-b48f-3328a86a6686
>>>>>> [2015-07-27 09:00:22.322316] E
>>>>>> [afr-self-heal-entry.c:249:afr_selfheal_detect_gfid_and_type_mismatch]
>>>>>> 0-vol_home-replicate-0: Gfid mismatch detected for
>>>>>> <2ac27442-8be0-4985-b48f-3328a86a6686/md0012588.gro>,
>>>>>> 9c635868-054b-4a13-b974-0ba562991586 on vol_home-client-1 and
>>>>>> 1943175c-b336-4b33-aa1c-74a1c51f17b9 on vol_home-client-0.
>>>>>> Skipping conservative merge on the file.
>>>>>> [2015-07-27 09:00:23.008771] I
>>>>>> [afr-self-heal-entry.c:565:afr_selfheal_entry_do]
>>>>>> 0-vol_home-replicate-0: performing entry selfheal on
>>>>>> 2ac27442-8be0-4985-b48f-3328a86a6686
>>>>>> [2015-07-27 08:59:50.359187] W [MSGID: 108008]
>>>>>> [afr-self-heal-name.c:353:afr_selfheal_name_gfid_mismatch_check]
>>>>>> 0-vol_home-replicate-0: GFID mismatch for
>>>>>> <gfid:2ac27442-8be0-4985-b48f-3328a86a6686>/md0012588.gro
>>>>>> 9c635868-054b-4a13-b974-0ba562991586 on vol_home-client-1 and
>>>>>> 1943175c-b336-4b33-aa1c-74a1c51f17b9 on vol_home-client-0
>>>>>> [2015-07-27 09:00:02.500419] W [MSGID: 108008]
>>>>>> [afr-self-heal-name.c:353:afr_selfheal_name_gfid_mismatch_check]
>>>>>> 0-vol_home-replicate-0: GFID mismatch for
>>>>>> <gfid:2ac27442-8be0-4985-b48f-3328a86a6686>/md0012590.gro
>>>>>> b22aec09-2be3-41ea-a976-7b8d0e6f61f0 on vol_home-client-1 and
>>>>>> ec100f9e-ec48-4b29-b75e-a50ec6245de6 on vol_home-client-0
>>>>>> [2015-07-27 09:00:02.506925] W [MSGID: 108008]
>>>>>> [afr-self-heal-name.c:353:afr_selfheal_name_gfid_mismatch_check]
>>>>>> 0-vol_home-replicate-0: GFID mismatch for
>>>>>> <gfid:2ac27442-8be0-4985-b48f-3328a86a6686>/md0009059.gro
>>>>>> 0485c093-11ca-4829-b705-e259668ebd8c on vol_home-client-1 and
>>>>>> e83a492b-7f8c-4b32-a76e-343f984142fe on vol_home-client-0
>>>>>> [2015-07-27 09:00:23.001121] W [MSGID: 108008]
>>>>>> [afr-read-txn.c:241:afr_read_txn] 0-vol_home-replicate-0:
>>>>>> Unreadable subvolume -1 found with event generation 2. (Possible
>>>>>> split-brain)
>>>>>> [2015-07-27 09:00:26.231262] E
>>>>>> [afr-self-heal-entry.c:249:afr_selfheal_detect_gfid_and_type_mismatch]
>>>>>> 0-vol_home-replicate-0: Gfid mismatch detected for
>>>>>> <2ac27442-8be0-4985-b48f-3328a86a6686/md0012588.gro>,
>>>>>> 9c635868-054b-4a13-b974-0ba562991586 on vol_home-client-1 and
>>>>>> 1943175c-b336-4b33-aa1c-74a1c51f17b9 on vol_home-client-0.
>>>>>> Skipping conservative merge on the file.
>>>>>>
>>>>>> And, above all, browsing folder I get a lot of input/ouput errors.
>>>>>>
>>>>>> Currently I have 6.2M inodes and roughly 30TB in my "new" volume.
>>>>>>
>>>>>> For the moment, Quota is disable to increase the IO performance
>>>>>> during the back-transfert…
>>>>>>
>>>>>> Your can also find in attachments:
>>>>>> - an "ls" result
>>>>>> - a split-brain research result
>>>>>> - the volume information and status
>>>>>> - a complete volume heal info
>>>>>>
>>>>>> Hoping this can help your to help me to fix all my problems and
>>>>>> reopen the computing production.
>>>>>>
>>>>>> Thanks in advance,
>>>>>> Geoffrey
>>>>>>
>>>>>> PS: « Erreur d’Entrée/Sortie » = « Input / Output Error »
>>>>>> ------------------------------------------------------
>>>>>> Geoffrey Letessier
>>>>>> Responsable informatique & ingénieur système
>>>>>> UPR 9080 - CNRS - Laboratoire de Biochimie Théorique
>>>>>> Institut de Biologie Physico-Chimique
>>>>>> 13, rue Pierre et Marie Curie - 75005 Paris
>>>>>> Tel: 01 58 41 50 93 - eMail: geoffrey.letessier at ibpc.fr
>>>>>> <mailto:geoffrey.letessier at ibpc.fr>
>>>>>>
>>>>>> <ls_example.txt>
>>>>>> <split_brain__20150725.txt>
>>>>>> <vol_home_healinfo.txt>
>>>>>> <vol_home_info.txt>
>>>>>> <vol_home_status.txt>
>>>>>
>>>
>
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