Hi Thomas,
This is my policy:
Policy default
{ condition { last_access > 3d } }
I ran robinhood with the dry-run option for my tests, this is a line from the
log:
2014/03/13 11:00:12 robinhood@xxx[6649/6]: Purged
'/scratch/xxx/xxxx/fichmeg/petit/m1.bin' using policy 'default', last access
20.8d ago | size=1048576, last_access = 1392909857 , last_mod=1392312225,
osts=ost#6: 39, ost#8: 39, ost#1: 80, ost#3: 48, ost#7: 39, ost#9: 39, ost#0:
80, ost#2: 48
This last access is corresponding to 20/2/2014 à 16:24:17 but you can see with
stat command that the real last access was on 13/02/2014 and the change time
was 20/02/2014:
# stat /scratch/xxx/xxxx/fichmeg/petit/m1.bin
File: « /scratch/xxxx/xxxx/fichmeg/petit/m1.bin »
Size: 1048576 Blocks: 2048 IO Block: 4194304 fichier
Device: 2c54f966h/743766374d Inode: 144115205272502310 Links: 1
Access: (0644/-rw-r--r--) Uid: ( 211/ xxxx) Gid: ( xxx/ xxxxx)
Access: 2014-02-13 18:23:45 .000000000 +0100
Modify: 2014-02-13 18:23:45.000000000 +0100
Change: 2014-02-20 16:24:17 .000000000 +0100
But, despite this, it's working. I change the acess time on one file and run an
another test with robinhood:
# stat /scratch/xxxx/xxxx/gig2.bin
File: « /scratch/xxxxxxx/gig2.bin »
Size: 4294967296 Blocks: 8388640 IO Block: 4194304 fichier
Device: 2c54f966h/743766374d Inode: 144115205255725241 Links: 1
Access: (0644/-rw-r--r--) Uid: ( 211/ xxx) Gid: ( xxx/ xxx)
Access: 2014-03-13 10:59:22 .000000000 +0100
Modify: 2014-02-11 13:42:44.000000000 +0100
Change: 2014-02-20 16:24:17 .000000000 +0100
Then I run "robinhood -S -O --dry-run" and "robinhood -O --dry-run" and when i
check the log, this file was not purged. So it's ok for me. I was just
surprised by the date on the log.
About GPFS, we have two different environments, one with Lustre Filesystem and
an another with GPFS Filesystem. As we want to use robinhood to manage file on
Lustre, we'd like to manage GPFS files also with robinhood.
I'll give you some feedback if i can implement this.
Have a good day and thank you,
Regards,
Emilie
----- Mail original -----
De: "LEIBOVICI Thomas" <[email protected]>
À: [email protected]
Cc: [email protected]
Envoyé: Jeudi 13 Mars 2014 14:42:26
Objet: Re: [robinhood-support] Issue with accestime criteria
On 03/13/14 10:04, [email protected] wrote:
> Indeed, it's seems to work. It's quite surprising because in the log
> there's still the "wrong" last access, but the policy is apply on the
> "good" one.
An extract of your policy definition would help me understanding what
you want to do,
and a copy the related line of log too, so I can double check and ensure
your policy application is safe.
I've never heard about running robinhood on GPFS. People use to
implement built-in GPFS policy engine on it.
I'd be curious to know your interests in running robinhood on GPFS, and
your feedback about this experimentation.
Thanks
Thomas
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