[Beowulf] Looking for block size settings (from stat) on parallel filesystems
jlb17 at duke.edu
Thu Jun 17 17:35:47 EDT 2010
On Thu, 17 Jun 2010 at 2:59pm, Craig Tierney wrote
> I am looking for a little help to find out what block sizes (as shown
> by stat) by Linux based parallel filesystems.
> You can find this by running stat on a file. For example on Lustre:
> # stat /lfs0/bigfile
> File: `/lfs0//bigfile'
> Size: 1073741824 Blocks: 2097160 IO Block: 2097152 regular file
> Device: 59924a4a8h/1502839976d Inode: 45361266 Links: 1
> Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)
> Access: 2010-06-17 20:24:32.000000000 +0000
> Modify: 2010-06-17 20:16:49.000000000 +0000
> Change: 2010-06-17 20:16:49.000000000 +0000
> If anyone can run this test and provide me with the filesystem
> and result (as well as the OS used), it would be a big help. I am
> specifically looking for GPFS results, but other products (Panasas,
> GlusterFS, NetApp GX) would be helpful.
GlusterFS 3.0.4 on CentOS-5:
Size: 155471981 Blocks: 303984 IO Block: 4096 regular file
Device: 21h/33d Inode: 205792080 Links: 1
Access: (0644/-rw-r--r--) Uid: (11805/database) Gid: (11805/database)
Access: 2010-06-10 16:55:43.000000000 -0700
Modify: 2010-06-10 06:03:53.000000000 -0700
Change: 2010-06-10 23:36:14.000000000 -0700
QB3 Shared Cluster Sysadmin
Beowulf mailing list, Beowulf at beowulf.org sponsored by Penguin Computing
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.
More information about the Beowulf