Re: Cannot run VMware Virtual Machines on GlusterFS

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Avati,

Are these intended ?:
- hashcount value of 'bar'(0) is not same as 'foo/..'(2) and,
- hashcount value of 'foo'(1) is not same as 'foo/../foo'(3).

# tshark -i 1 -R nfs
Running as user "root" and group "root". This could be dangerous.
Capturing on eth0
  2.386732 192.168.1.23 -> 192.168.1.132 NFS V3 GETATTR Call, FH:0x43976ad5
  2.387772 192.168.1.132 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 7)  Directory mode:0755 uid:0 gid:0
  3.666252 192.168.1.23 -> 192.168.1.132 NFS V3 GETATTR Call, FH:0x43976ad5
  3.667112 192.168.1.132 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 17)  Directory mode:0755 uid:0 gid:0
  3.667260 192.168.1.23 -> 192.168.1.132 NFS V3 LOOKUP Call, DH:0x43976ad5/foo			/* bar/foo */
  3.668321 192.168.1.132 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 19), FH:0x3f9fd887
 11.386638 192.168.1.23 -> 192.168.1.132 NFS V3 GETATTR Call, FH:0x43976ad5
 11.387664 192.168.1.132 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 52)  Directory mode:0755 uid:0 gid:0
 20.386438 192.168.1.23 -> 192.168.1.132 NFS V3 GETATTR Call, FH:0x43976ad5
 20.387436 192.168.1.132 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 95)  Directory mode:0755 uid:0 gid:0
 29.382531 192.168.1.23 -> 192.168.1.132 NFS V3 GETATTR Call, FH:0x43976ad5
 29.383796 192.168.1.132 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 126)  Directory mode:0755 uid:0 gid:0
 33.666658 192.168.1.23 -> 192.168.1.132 NFS V3 LOOKUP Call, DH:0x3f9fd887/..			/* foo/.. */
 33.668097 192.168.1.132 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 144), FH:0x42966b36
 33.668310 192.168.1.23 -> 192.168.1.132 NFS V3 READDIRPLUS Call, FH:0x42966b36
 33.669996 192.168.1.132 -> 192.168.1.23 NFS V3 READDIRPLUS Reply (Call In 146) .. foo .
 33.670188 192.168.1.23 -> 192.168.1.132 NFS V3 LOOKUP Call, DH:0x42966b36/..			/* bar/.. */
 33.671279 192.168.1.132 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 148), FH:0xbc1b2900
 33.671425 192.168.1.23 -> 192.168.1.132 NFS V3 LOOKUP Call, DH:0x42966b36/foo			/* bar/foo */
 33.672421 192.168.1.132 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 150), FH:0x3e9ed964
20 packets captured

# egrep "nfs3_log_fh_entry_call|nfs3_log_newfh_res" /var/log/glusterfs/nfs.log | tail -8
[2012-06-25 14:28:40.090333] D [nfs3-helpers.c:1645:nfs3_log_fh_entry_call] 0-nfs-nfsv3: XID: 3d78d872, LOOKUP: args: FH: hashcount 0, exportid b2d75589-8370-4528-ab4e-b543b3abdc3b, gfid 00000000-0000-0000-0000-000000000001, name: foo			/* bar/foo */
[2012-06-25 14:28:40.091108] D [nfs3-helpers.c:3462:nfs3_log_newfh_res] 0-nfs-nfsv3: XID: 3d78d872, LOOKUP: NFS: 0(Call completed successfully.), POSIX: 0(Success), FH: hashcount 1, exportid b2d75589-8370-4528-ab4e-b543b3abdc3b, gfid 7c4b5a51-0108-4ac9-8fd2-4b843dcb2715
[2012-06-25 14:29:10.089791] D [nfs3-helpers.c:1645:nfs3_log_fh_entry_call] 0-nfs-nfsv3: XID: 3d78d879, LOOKUP: args: FH: hashcount 1, exportid b2d75589-8370-4528-ab4e-b543b3abdc3b, gfid 7c4b5a51-0108-4ac9-8fd2-4b843dcb2715, name: ..			/* foo/.. */
[2012-06-25 14:29:10.090872] D [nfs3-helpers.c:3462:nfs3_log_newfh_res] 0-nfs-nfsv3: XID: 3d78d879, LOOKUP: NFS: 0(Call completed successfully.), POSIX: 0(Success), FH: hashcount 2, exportid b2d75589-8370-4528-ab4e-b543b3abdc3b, gfid 00000000-0000-0000-0000-000000000001
[2012-06-25 14:29:10.093266] D [nfs3-helpers.c:1645:nfs3_log_fh_entry_call] 0-nfs-nfsv3: XID: 3d78d87b, LOOKUP: args: FH: hashcount 2, exportid b2d75589-8370-4528-ab4e-b543b3abdc3b, gfid 00000000-0000-0000-0000-000000000001, name: ..			/* bar/.. */
[2012-06-25 14:29:10.094056] D [nfs3-helpers.c:3462:nfs3_log_newfh_res] 0-nfs-nfsv3: XID: 3d78d87b, LOOKUP: NFS: 0(Call completed successfully.), POSIX: 0(Success), FH: hashcount 3, exportid b2d75589-8370-4528-ab4e-b543b3abdc3b, gfid 6edd430d-bc57-470e-8e98-eacfe1a91040
[2012-06-25 14:29:10.094498] D [nfs3-helpers.c:1645:nfs3_log_fh_entry_call] 0-nfs-nfsv3: XID: 3d78d87c, LOOKUP: args: FH: hashcount 2, exportid b2d75589-8370-4528-ab4e-b543b3abdc3b, gfid 00000000-0000-0000-0000-000000000001, name: foo			/* bar/foo */
[2012-06-25 14:29:10.095198] D [nfs3-helpers.c:3462:nfs3_log_newfh_res] 0-nfs-nfsv3: XID: 3d78d87c, LOOKUP: NFS: 0(Call completed successfully.), POSIX: 0(Success), FH: hashcount 3, exportid b2d75589-8370-4528-ab4e-b543b3abdc3b, gfid 7c4b5a51-0108-4ac9-8fd2-4b843dcb2715

Regards,

Tomo

Anand Avati wrote:
Tomoaki, this is very useful. I will look deeper soon.
Thanks!

Avati

On Thu, Jun 21, 2012 at 9:21 PM, Tomoaki Sato <tsato@xxxxxxxxxxxxx <mailto:tsato@xxxxxxxxxxxxx>> wrote:

    Avati,

    tshark says ...
    FH values that the linux kernel NFS server returns stays constant for every LOOKUP 'foo' but,
    FH values that the GlusterFS(NFS) returns are non-constant.

    operaions at the ESXi host:

    ~ # ./getcwd /vmfs/volumes/94925201-78f190e0/foo
    ========= sleep 30 ================
    /vmfs/volumes/94925201-78f190e0/foo
    ~ #

    tshark's output at the linux kernel NFS server:

    # tshark -i 2 -R nfs
    Running as user "root" and group "root". This could be dangerous.
    Capturing on br0
    /* chdir */
      2.056680 192.168.1.23 -> 192.168.1.254 NFS V3 GETATTR Call, FH:0x1ffd38ff
      2.056990 192.168.1.254 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 13)  Directory mode:0755 uid:0 gid:0
      9.848666 192.168.1.23 -> 192.168.1.254 NFS V3 GETATTR Call, FH:0x1ffd38ff
      9.848767 192.168.1.254 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 60)  Directory mode:0755 uid:0 gid:0
      9.848966 192.168.1.23 -> 192.168.1.254 NFS V3 LOOKUP Call, DH:0x1ffd38ff/foo
      9.849049 192.168.1.254 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 62), FH:0xdb05b90a         <=====
      20.055508 192.168.1.23 -> 192.168.1.254 NFS V3 GETATTR Call, FH:0x1ffd38ff
      20.055702 192.168.1.254 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 103)  Directory mode:0755 uid:0 gid:0
      29.054939 192.168.1.23 -> 192.168.1.254 NFS V3 GETATTR Call, FH:0x1ffd38ff
      29.055180 192.168.1.254 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 132)  Directory mode:0755 uid:0 gid:0
      38.054338 192.168.1.23 -> 192.168.1.254 NFS V3 GETATTR Call, FH:0x1ffd38ff
      38.054583 192.168.1.254 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 151)  Directory mode:0755 uid:0 gid:0
    /* getcwd */
      39.849107 192.168.1.23 -> 192.168.1.254 NFS V3 LOOKUP Call, DH:0xdb05b90a/..
      39.849449 192.168.1.254 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 170), FH:0x1ffd38ff
      39.849676 192.168.1.23 -> 192.168.1.254 NFS V3 READDIRPLUS Call, FH:0x1ffd38ff
      39.849833 192.168.1.254 -> 192.168.1.23 NFS V3 READDIRPLUS Reply (Call In 172) . .. foo
      39.850071 192.168.1.23 -> 192.168.1.254 NFS V3 LOOKUP Call, DH:0x1ffd38ff/foo
      39.850149 192.168.1.254 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 174), FH:0xdb05b90a
      39.850746 192.168.1.23 -> 192.168.1.254 NFS V3 LOOKUP Call, DH:0xdb05b90a/..
      39.850814 192.168.1.254 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 176), FH:0x1ffd38ff
      39.851014 192.168.1.23 -> 192.168.1.254 NFS V3 READDIRPLUS Call, FH:0x1ffd38ff
      39.851095 192.168.1.254 -> 192.168.1.23 NFS V3 READDIRPLUS Reply (Call In 178) . .. foo
      39.851329 192.168.1.23 -> 192.168.1.254 NFS V3 LOOKUP Call, DH:0x1ffd38ff/foo
      39.851438 192.168.1.254 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 180), FH:0xdb05b90a            <=====

    operations at the ESXi host:

    ~ # ./getcwd /vmfs/volumes/ef172a87-e5ae817f/foo
    ========= sleep 30 ================
    getcwd: No such file or directory
    ~ #

    tshark's output at the GlusterFS(NFS) server:

    # tshark -i 1 -R nfs
    Running as user "root" and group "root". This could be dangerous.
    Capturing on eth0
    /* chdir */
      1.228396 192.168.1.23 -> 192.168.1.136 NFS V3 GETATTR Call, FH:0x43976ad5
      1.229406 192.168.1.136 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 6)  Directory mode:0755 uid:0 gid:0
      4.445894 192.168.1.23 -> 192.168.1.136 NFS V3 GETATTR Call, FH:0x43976ad5
      4.446916 192.168.1.136 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 16)  Directory mode:0755 uid:0 gid:0
      4.447099 192.168.1.23 -> 192.168.1.136 NFS V3 LOOKUP Call, DH:0x43976ad5/foo
      4.448147 192.168.1.136 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 18), FH:0x3f9fd887     <=====
      10.228438 192.168.1.23 -> 192.168.1.136 NFS V3 GETATTR Call, FH:0x43976ad5
      10.229432 192.168.1.136 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 31)  Directory mode:0755 uid:0 gid:0
      19.228321 192.168.1.23 -> 192.168.1.136 NFS V3 GETATTR Call, FH:0x43976ad5
      19.229309 192.168.1.136 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 47)  Directory mode:0755 uid:0 gid:0
      28.228139 192.168.1.23 -> 192.168.1.136 NFS V3 GETATTR Call, FH:0x43976ad5
      28.229112 192.168.1.136 -> 192.168.1.23 NFS V3 GETATTR Reply (Call In 70)  Directory mode:0755 uid:0 gid:0
    /* getcwd */
      34.448796 192.168.1.23 -> 192.168.1.136 NFS V3 LOOKUP Call, DH:0x3f9fd887/..
      34.450119 192.168.1.136 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 81), FH:0x42966b36
      34.450343 192.168.1.23 -> 192.168.1.136 NFS V3 READDIRPLUS Call, FH:0x42966b36
      34.452105 192.168.1.136 -> 192.168.1.23 NFS V3 READDIRPLUS Reply (Call In 83) .. foo .
      34.452311 192.168.1.23 -> 192.168.1.136 NFS V3 LOOKUP Call, DH:0x42966b36/..
      34.453464 192.168.1.136 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 85), FH:0xbc1b2900
      34.453648 192.168.1.23 -> 192.168.1.136 NFS V3 LOOKUP Call, DH:0x42966b36/foo
      34.454677 192.168.1.136 -> 192.168.1.23 NFS V3 LOOKUP Reply (Call In 87), FH:0x3e9ed964     <======

    Regards,

    Tomo

    (2012年06月20日 16:28), Tomoaki Sato wrote:
     > Avati,
     >
     > I've tried following:
     > 1) 'esxcfg-nas -d gluster_nfs' at the ESXi host.
     > 2) 'volume set bar nfs.enable-ino32 on' at the 192.168.1.136 host.
     > 3) 'volume stop bar' and 'volume start bar' at the 192.168.1.136 host.
     > 4) 'esxcfg-nas -a -o 192.168.1.136 -s /bar gluster_nfs' at the ESXi host.
     >
     > on the ESXi host:
     >
     > ~ # uname -m
     > x86_64
     > ~ # mkdir /vmfs/volumes/ef172a87-e5ae817f/after-enable-ino32-on
     > ~ # ls -liR /vmfs/volumes/ef172a87-e5ae817f
     > /vmfs/volumes/ef172a87-e5ae817f:
     > -2118204814 drwxr-xr-x 1 root root 4096 Jun 20 07:13 after-enable-ino32-on
     > 1205893126 drwxr-xr-x 1 root root 4096 Jun 20 07:08 baz
     > -1291907235 drwx------ 1 root root 16384 Jun 6 23:41 lost+found
     >
     > /vmfs/volumes/ef172a87-e5ae817f/after-enable-ino32-on:
     >
     > /vmfs/volumes/ef172a87-e5ae817f/baz:
     > -1374929331 drwxr-xr-x 1 root root 4096 Jun 19 06:41 foo
     >
     > /vmfs/volumes/ef172a87-e5ae817f/baz/foo:
     >
     > /vmfs/volumes/ef172a87-e5ae817f/lost+found:
     > ~ # ./getcwd /vmfs/volumes/ef172a87-e5ae817f/after-enable-ino32-on
     > getcwd: No such file or directory
     > ~ #
     >
     > on the 192.168.1.136 host:
     >
     > # gluster volume info bar
     >
     > Volume Name: bar
     > Type: Distribute
     > Volume ID: b2d75589-8370-4528-ab4e-b543b3abdc3b
     > Status: Started
     > Number of Bricks: 1
     > Transport-type: tcp
     > Bricks:
     > Brick1: bar-1-private:/mnt/brick
     > Options Reconfigured:
     > diagnostics.brick-log-level: TRACE
     > diagnostics.client-log-level: TRACE
     > nfs.enable-ino32: on
     >
     > please fine attached nfs.log5.
     >
     > Regards,
     >
     > Tomo
     >
     > (2012/06/20 16:11), Anand Avati wrote:
     >> -1374929331 drwxr-xr-x 1 root root 4096 Jun 19 06:41 foo
     >>
     >> ...
     >>
     >> 2920037965 drwxr-xr-x 2 root root 4096 Jun 19 15:41 foo
     >>
     >>
     >> Ouch!
     >>
     >> -1374929331 == (int32_t) 2920037965
     >>
     >> 'uname -m' from the ESXi host please! Is it a 32bit OS? Can you try 'gluster volume set bar nfs.enable-ino32 on' and retry?
     >>
     >> Avati
     >






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