[Gluster-users] volume not working after yum update - gluster 3.6.3
Kingsley
gluster at gluster.dogwind.com
Mon Aug 10 17:04:37 UTC 2015
On Mon, 2015-08-10 at 22:22 +0530, Atin Mukherjee wrote:
[snip]
> strace output claims the command exited successfully. Are you sure ls
> got hung?
Not sure, but this one definitely hung. 'mkdir("test", 0777' was the
last output, and it's been stuck here for about 7 minutes now:
[root at voicemail1b-1 14391.broken]# strace mkdir test
execve("/usr/bin/mkdir", ["mkdir", "test"], [/* 27 vars */]) = 0
brk(0) = 0x8db000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f3468a89000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=31874, ...}) = 0
mmap(NULL, 31874, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f3468a81000
close(3) = 0
open("/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240d\0\0\0\0\0
\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=147120, ...}) = 0
mmap(NULL, 2246784, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f3468644000
mprotect(0x7f3468665000, 2097152, PROT_NONE) = 0
mmap(0x7f3468865000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x21000) = 0x7f3468865000
mmap(0x7f3468867000, 6272, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_ANONYMOUS, -1, 0) = 0x7f3468867000
close(3) = 0
open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\34\2\0\0\0\0
\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=2107760, ...}) = 0
mmap(NULL, 3932736, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f3468283000
mprotect(0x7f3468439000, 2097152, PROT_NONE) = 0
mmap(0x7f3468639000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x1b6000) = 0x7f3468639000
mmap(0x7f346863f000, 16960, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_ANONYMOUS, -1, 0) = 0x7f346863f000
close(3) = 0
open("/lib64/libpcre.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360\25\0\0\0\0\0
\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=398272, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f3468a80000
mmap(NULL, 2490888, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f3468022000
mprotect(0x7f3468081000, 2097152, PROT_NONE) = 0
mmap(0x7f3468281000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x5f000) = 0x7f3468281000
close(3) = 0
open("/lib64/liblzma.so.5", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000/\0\0\0\0\0
\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=153184, ...}) = 0
mmap(NULL, 2245240, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f3467dfd000
mprotect(0x7f3467e21000, 2093056, PROT_NONE) = 0
mmap(0x7f3468020000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x23000) = 0x7f3468020000
close(3) = 0
open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\16\0\0\0\0\0
\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=19512, ...}) = 0
mmap(NULL, 2109744, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f3467bf9000
mprotect(0x7f3467bfc000, 2093056, PROT_NONE) = 0
mmap(0x7f3467dfb000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x2000) = 0x7f3467dfb000
close(3) = 0
open("/lib64/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240l\0\0\0\0\0
\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=141616, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f3468a7f000
mmap(NULL, 2208864, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f34679dd000
mprotect(0x7f34679f3000, 2097152, PROT_NONE) = 0
mmap(0x7f3467bf3000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x16000) = 0x7f3467bf3000
mmap(0x7f3467bf5000, 13408, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_ANONYMOUS, -1, 0) = 0x7f3467bf5000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f3468a7e000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f3468a7c000
arch_prctl(ARCH_SET_FS, 0x7f3468a7c800) = 0
mprotect(0x7f3468639000, 16384, PROT_READ) = 0
mprotect(0x7f3467bf3000, 4096, PROT_READ) = 0
mprotect(0x7f3467dfb000, 4096, PROT_READ) = 0
mprotect(0x7f3468020000, 4096, PROT_READ) = 0
mprotect(0x7f3468281000, 4096, PROT_READ) = 0
mprotect(0x7f3468865000, 4096, PROT_READ) = 0
mprotect(0x611000, 4096, PROT_READ) = 0
mprotect(0x7f3468a8a000, 4096, PROT_READ) = 0
munmap(0x7f3468a81000, 31874) = 0
set_tid_address(0x7f3468a7cad0) = 24942
set_robust_list(0x7f3468a7cae0, 24) = 0
rt_sigaction(SIGRTMIN, {0x7f34679e3780, [], SA_RESTORER|SA_SIGINFO,
0x7f34679ec130}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x7f34679e3810, [], SA_RESTORER|SA_RESTART|
SA_SIGINFO, 0x7f34679ec130}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY})
= 0
statfs("/sys/fs/selinux", {f_type=0xf97cff8c, f_bsize=4096, f_blocks=0,
f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0},
f_namelen=255, f_frsize=4096}) = 0
statfs("/sys/fs/selinux", {f_type=0xf97cff8c, f_bsize=4096, f_blocks=0,
f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0},
f_namelen=255, f_frsize=4096}) = 0
stat("/sys/fs/selinux", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
brk(0) = 0x8db000
brk(0x8fc000) = 0x8fc000
mkdir("test", 0777
> >
> >
> >
> >
> >> >
> >> > Then ... do I need to run something on one of the bricks while
> strace is
> >> > running?
> >> >
> >> > Cheers,
> >> > Kingsley.
> >> >
> >> >
> >> > > >
> >> > > > [root at gluster1b-1 ~]# gluster volume heal callrec info
> >> > > > Brick gluster1a-1.dns99.co.uk:/data/brick/callrec/
> >> > > > <gfid:164f888f-2049-49e6-ad26-c758ee091863>
> >> > > > /recordings/834723/14391 - Possibly undergoing heal
> >> > > >
> >> > > > <gfid:e280b40c-d8b7-43c5-9da7-4737054d7a7f>
> >> > > > <gfid:b1fbda4a-732f-4f5d-b5a1-8355d786073e>
> >> > > > <gfid:edb74524-b4b7-4190-85e7-4aad002f6e7c>
> >> > > > <gfid:9b8b8446-1e27-4113-93c2-6727b1f457eb>
> >> > > > <gfid:650efeca-b45c-413b-acc3-f0a5853ccebd>
> >> > > > Number of entries: 7
> >> > > >
> >> > > > Brick gluster1b-1.dns99.co.uk:/data/brick/callrec/
> >> > > > Number of entries: 0
> >> > > >
> >> > > > Brick gluster2a-1.dns99.co.uk:/data/brick/callrec/
> >> > > > <gfid:e280b40c-d8b7-43c5-9da7-4737054d7a7f>
> >> > > > <gfid:164f888f-2049-49e6-ad26-c758ee091863>
> >> > > > <gfid:650efeca-b45c-413b-acc3-f0a5853ccebd>
> >> > > > <gfid:b1fbda4a-732f-4f5d-b5a1-8355d786073e>
> >> > > > /recordings/834723/14391 - Possibly undergoing heal
> >> > > >
> >> > > > <gfid:edb74524-b4b7-4190-85e7-4aad002f6e7c>
> >> > > > <gfid:9b8b8446-1e27-4113-93c2-6727b1f457eb>
> >> > > > Number of entries: 7
> >> > > >
> >> > > > Brick gluster2b-1.dns99.co.uk:/data/brick/callrec/
> >> > > > Number of entries: 0
> >> > > >
> >> > > >
> >> > > > If I query each brick directly for the number of
> files/directories
> >> > > > within that, I get 1731 on gluster1a-1 and gluster2a-1, but
> 1737 on
> >> > > the
> >> > > > other two, using this command:
> >> > > >
> >> > > > # find /data/brick/callrec/recordings/834723/14391 -print |
> wc -l
> >> > > >
> >> > > > Cheers,
> >> > > > Kingsley.
> >> > > >
> >> > > > On Mon, 2015-08-10 at 11:05 +0100, Kingsley wrote:
> >> > > > > Sorry for the blind panic - restarting the volume seems to
> have
> >> > > fixed
> >> > > > > it.
> >> > > > >
> >> > > > > But then my next question - why is this necessary? Surely
> it
> >> > > undermines
> >> > > > > the whole point of a high availability system?
> >> > > > >
> >> > > > > Cheers,
> >> > > > > Kingsley.
> >> > > > >
> >> > > > > On Mon, 2015-08-10 at 10:53 +0100, Kingsley wrote:
> >> > > > > > Hi,
> >> > > > > >
> >> > > > > > We have a 4 way replicated volume using gluster 3.6.3 on
> CentOS
> >> > > 7.
> >> > > > > >
> >> > > > > > Over the weekend I did a yum update on each of the bricks
> in
> >> > > turn, but
> >> > > > > > now when clients (using fuse mounts) try to access the
> volume,
> >> > > it hangs.
> >> > > > > > Gluster itself wasn't updated (we've disabled that repo
> so that
> >> > > we keep
> >> > > > > > to 3.6.3 for now).
> >> > > > > >
> >> > > > > > This was what I did:
> >> > > > > >
> >> > > > > > * on first brick, "yum update"
> >> > > > > > * reboot brick
> >> > > > > > * watch "gluster volume status" on another brick
> and wait
> >> > > for it
> >> > > > > > to say all 4 bricks are online before proceeding
> to
> >> > > update the
> >> > > > > > next brick
> >> > > > > >
> >> > > > > > I was expecting the clients might pause 30 seconds while
> they
> >> > > notice a
> >> > > > > > brick is offline, but then recover.
> >> > > > > >
> >> > > > > > I've tried re-mounting clients, but that hasn't helped.
> >> > > > > >
> >> > > > > > I can't see much data in any of the log files.
> >> > > > > >
> >> > > > > > I've tried "gluster volume heal callrec" but it doesn't
> seem to
> >> > > have
> >> > > > > > helped.
> >> > > > > >
> >> > > > > > What shall I do next?
> >> > > > > >
> >> > > > > > I've pasted some stuff below in case any of it helps.
> >> > > > > >
> >> > > > > > Cheers,
> >> > > > > > Kingsley.
> >> > > > > >
> >> > > > > > [root at gluster1b-1 ~]# gluster volume info callrec
> >> > > > > >
> >> > > > > > Volume Name: callrec
> >> > > > > > Type: Replicate
> >> > > > > > Volume ID: a39830b7-eddb-4061-b381-39411274131a
> >> > > > > > Status: Started
> >> > > > > > Number of Bricks: 1 x 4 = 4
> >> > > > > > Transport-type: tcp
> >> > > > > > Bricks:
> >> > > > > > Brick1: gluster1a-1:/data/brick/callrec
> >> > > > > > Brick2: gluster1b-1:/data/brick/callrec
> >> > > > > > Brick3: gluster2a-1:/data/brick/callrec
> >> > > > > > Brick4: gluster2b-1:/data/brick/callrec
> >> > > > > > Options Reconfigured:
> >> > > > > > performance.flush-behind: off
> >> > > > > > [root at gluster1b-1 ~]#
> >> > > > > >
> >> > > > > >
> >> > > > > > [root at gluster1b-1 ~]# gluster volume status callrec
> >> > > > > > Status of volume: callrec
> >> > > > > > Gluster process
> Port
> >> > > Online Pid
> >> > > > > >
> >> > >
> ------------------------------------------------------------------------------
> >> > > > > > Brick gluster1a-1:/data/brick/callrec
> 49153
> >> > > Y 6803
> >> > > > > > Brick gluster1b-1:/data/brick/callrec
> 49153
> >> > > Y 2614
> >> > > > > > Brick gluster2a-1:/data/brick/callrec
> 49153
> >> > > Y 2645
> >> > > > > > Brick gluster2b-1:/data/brick/callrec
> 49153
> >> > > Y 4325
> >> > > > > > NFS Server on localhost
> 2049
> >> > > Y 2769
> >> > > > > > Self-heal Daemon on localhost
> N/A
> >> > > Y 2789
> >> > > > > > NFS Server on gluster2a-1
> 2049
> >> > > Y 2857
> >> > > > > > Self-heal Daemon on gluster2a-1
> N/A
> >> > > Y 2814
> >> > > > > > NFS Server on 88.151.41.100
> 2049
> >> > > Y 6833
> >> > > > > > Self-heal Daemon on 88.151.41.100
> N/A
> >> > > Y 6824
> >> > > > > > NFS Server on gluster2b-1
> 2049
> >> > > Y 4428
> >> > > > > > Self-heal Daemon on gluster2b-1
> N/A
> >> > > Y 4387
> >> > > > > >
> >> > > > > > Task Status of Volume callrec
> >> > > > > >
> >> > >
> ------------------------------------------------------------------------------
> >> > > > > > There are no active volume tasks
> >> > > > > >
> >> > > > > > [root at gluster1b-1 ~]#
> >> > > > > >
> >> > > > > >
> >> > > > > > [root at gluster1b-1 ~]# gluster volume heal callrec info
> >> > > > > > Brick gluster1a-1.dns99.co.uk:/data/brick/callrec/
> >> > > > > > /to_process - Possibly undergoing heal
> >> > > > > >
> >> > > > > > Number of entries: 1
> >> > > > > >
> >> > > > > > Brick gluster1b-1.dns99.co.uk:/data/brick/callrec/
> >> > > > > > Number of entries: 0
> >> > > > > >
> >> > > > > > Brick gluster2a-1.dns99.co.uk:/data/brick/callrec/
> >> > > > > > /to_process - Possibly undergoing heal
> >> > > > > >
> >> > > > > > Number of entries: 1
> >> > > > > >
> >> > > > > > Brick gluster2b-1.dns99.co.uk:/data/brick/callrec/
> >> > > > > > Number of entries: 0
> >> > > > > >
> >> > > > > > [root at gluster1b-1 ~]#
> >> > > > > >
> >> > > > > >
> >> > > > > > _______________________________________________
> >> > > > > > Gluster-users mailing list
> >> > > > > > Gluster-users at gluster.org
> >> > > > > > http://www.gluster.org/mailman/listinfo/gluster-users
> >> > > > > >
> >> > > > >
> >> > > > > _______________________________________________
> >> > > > > Gluster-users mailing list
> >> > > > > Gluster-users at gluster.org
> >> > > > > http://www.gluster.org/mailman/listinfo/gluster-users
> >> > > > >
> >> > > >
> >> > > > _______________________________________________
> >> > > > Gluster-users mailing list
> >> > > > Gluster-users at gluster.org
> >> > > > http://www.gluster.org/mailman/listinfo/gluster-users
> >> > >
> >> > >
> >> >
> >>
> >>
>
>
>
> _______________________________________________
> Gluster-users mailing list
> Gluster-users at gluster.org
> http://www.gluster.org/mailman/listinfo/gluster-users
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