[Gluster-users] GlusterD uses 50% of RAM

RASTELLI Alessandro alessandro.rastelli at skytv.it
Fri Feb 20 09:40:14 UTC 2015 

Hi,
I've noticed that one of our 6 gluster 3.6.2 nodes has "glusterd" process using 50% of RAM, on the other nodes usage is about 5%
This can be a bug?
Should I restart glusterd daemon?
Thank you
A

From: Volnei Puttini [mailto:volnei at vcplinux.com.br]
Sent: lunedì 9 febbraio 2015 18:06
To: RASTELLI Alessandro; gluster-users at gluster.org
Subject: Re: [Gluster-users] cannot access to CIFS export

Hi Alessandro,

My system:

CentOS 7

samba-vfs-glusterfs-4.1.1-37.el7_0.x86_64
samba-winbind-4.1.1-37.el7_0.x86_64
samba-libs-4.1.1-37.el7_0.x86_64
samba-common-4.1.1-37.el7_0.x86_64
samba-winbind-modules-4.1.1-37.el7_0.x86_64
samba-winbind-clients-4.1.1-37.el7_0.x86_64
samba-4.1.1-37.el7_0.x86_64
samba-client-4.1.1-37.el7_0.x86_64

glusterfs 3.6.2 built on Jan 22 2015 12:59:57

Try this, work fine for me:

[GFSVOL]
    browseable = No
    comment = Gluster share of volume gfsvol
    path = /
    read only = No
    guest ok = Yes
    kernel share modes = No
    posix locking = No
    vfs objects = glusterfs
    glusterfs:loglevel = 7
    glusterfs:logfile = /var/log/samba/glusterfs-gfstest.log
    glusterfs:volume = vgtest
    glusterfs:volfile_server = 192.168.2.21

On 09-02-2015 14:45, RASTELLI Alessandro wrote:
Hi,
I've created and started a new replica volume "downloadstat" with CIFS export enabled on GlusterFS 3.6.2.
I can see the following piece has been added automatically to smb.conf:
[gluster-downloadstat]
comment = For samba share of volume downloadstat
vfs objects = glusterfs
glusterfs:volume = downloadstat
glusterfs:logfile = /var/log/samba/glusterfs-downloadstat.%M.log
glusterfs:loglevel = 7
path = /
read only = no
guest ok = yes

I restarted smb service, without errors.
When I try to access from Win7 client to "\\gluster01-mi\gluster-downloadstat<file:///\\gluster01-mi\gluster-downloadstat>" it asks me a login (which user do I need to put?) and then gives me error "The network path was not found"
and on Gluster smb.log I see:
[2015/02/09 17:21:13.111639,  0] smbd/vfs.c:173(vfs_init_custom)
  error probing vfs module 'glusterfs': NT_STATUS_UNSUCCESSFUL
[2015/02/09 17:21:13.111709,  0] smbd/vfs.c:315(smbd_vfs_init)
  smbd_vfs_init: vfs_init_custom failed for glusterfs
[2015/02/09 17:21:13.111741,  0] smbd/service.c:902(make_connection_snum)
  vfs_init failed for service gluster-downloadstat

Can you explain how to fix?
Thanks

Alessandro

From: gluster-users-bounces at gluster.org<mailto:gluster-users-bounces at gluster.org> [mailto:gluster-users-bounces at gluster.org] On Behalf Of David F. Robinson
Sent: domenica 8 febbraio 2015 18:19
To: Gluster Devel; gluster-users at gluster.org<mailto:gluster-users at gluster.org>
Subject: [Gluster-users] cannot delete non-empty directory

I am seeing these messsages after I delete large amounts of data using gluster 3.6.2.
cannot delete non-empty directory: old_shelf4/Aegis/!!!Programs/RavenCFD/Storage/Jimmy_Old/src_vj1.5_final

>From the FUSE mount (as root), the directory shows up as empty:

# pwd
/backup/homegfs/backup.0/old_shelf4/Aegis/!!!Programs/RavenCFD/Storage/Jimmy_Old/src_vj1.5_final

# ls -al
total 5
d--------- 2 root root    4106 Feb  6 13:55 .
drwxrws--- 3  601 dmiller   72 Feb  6 13:55 ..

However, when you look at the bricks, the files are still there (none on brick01bkp, all files are on brick02bkp).  All of the files are 0-length and have ------T permissions.
Any suggestions on how to fix this and how to prevent it from happening?

#  ls -al /data/brick*/homegfs_bkp/backup.0/old_shelf4/Aegis/\!\!\!Programs/RavenCFD/Storage/Jimmy_Old/src_vj1.5_final
/data/brick01bkp/homegfs_bkp/backup.0/old_shelf4/Aegis/!!!Programs/RavenCFD/Storage/Jimmy_Old/src_vj1.5_final:
total 4
d---------+ 2 root root  10 Feb  6 13:55 .
drwxrws---+ 3  601 raven 36 Feb  6 13:55 ..

/data/brick02bkp/homegfs_bkp/backup.0/old_shelf4/Aegis/!!!Programs/RavenCFD/Storage/Jimmy_Old/src_vj1.5_final:
total 8
d---------+ 3 root root  4096 Dec 31  1969 .
drwxrws---+ 3  601 raven   36 Feb  6 13:55 ..
---------T  5  601 raven    0 Nov 20 00:08 read_inset.f.gz
---------T  5  601 raven    0 Nov 20 00:08 readbc.f.gz
---------T  5  601 raven    0 Nov 20 00:08 readcn.f.gz
---------T  5  601 raven    0 Nov 20 00:08 readinp.f.gz
---------T  5  601 raven    0 Nov 20 00:08 readinp_v1_2.f.gz
---------T  5  601 raven    0 Nov 20 00:08 readinp_v1_3.f.gz
---------T  5  601 raven    0 Nov 20 00:08 rotatept.f.gz
d---------+ 2 root root   118 Feb  6 13:54 save1
---------T  5  601 raven    0 Nov 20 00:08 sepvec.f.gz
---------T  5  601 raven    0 Nov 20 00:08 shadow.f.gz
---------T  5  601 raven    0 Nov 20 00:08 snksrc.f.gz
---------T  5  601 raven    0 Nov 20 00:08 source.f.gz
---------T  5  601 raven    0 Nov 20 00:08 step.f.gz
---------T  5  601 raven    0 Nov 20 00:08 stoprog.f.gz
---------T  5  601 raven    0 Nov 20 00:08 summer6.f.gz
---------T  5  601 raven    0 Nov 20 00:08 totforc.f.gz
---------T  5  601 raven    0 Nov 20 00:08 tritet.f.gz
---------T  5  601 raven    0 Nov 20 00:08 wallrsd.f.gz
---------T  5  601 raven    0 Nov 20 00:08 wheat.f.gz
---------T  5  601 raven    0 Nov 20 00:08 write_inset.f.gz


This is using gluster 3.6.2 on a distributed gluster volume that resides on a single machine.  Both of the bricks are on one machine consisting of 2x RAID-6 arrays.

df -h | grep brick
/dev/mapper/vg01-lvol1                       88T   22T   66T  25% /data/brick01bkp
/dev/mapper/vg02-lvol1                       88T   22T   66T  26% /data/brick02bkp

# gluster volume info homegfs_bkp
Volume Name: homegfs_bkp
Type: Distribute
Volume ID: 96de8872-d957-4205-bf5a-076e3f35b294
Status: Started
Number of Bricks: 2
Transport-type: tcp
Bricks:
Brick1: gfsib01bkp.corvidtec.com:/data/brick01bkp/homegfs_bkp
Brick2: gfsib01bkp.corvidtec.com:/data/brick02bkp/homegfs_bkp
Options Reconfigured:
storage.owner-gid: 100
performance.io-thread-count: 32
server.allow-insecure: on
network.ping-timeout: 10
performance.cache-size: 128MB
performance.write-behind-window-size: 128MB
server.manage-gids: on
changelog.rollover-time: 15
changelog.fsync-interval: 3



===============================
David F. Robinson, Ph.D.
President - Corvid Technologies
704.799.6944 x101 [office]
704.252.1310 [cell]
704.799.7974 [fax]
David.Robinson at corvidtec.com<mailto:David.Robinson at corvidtec.com>
http://www.corvidtechnologies.com






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