On Sep 20, 2010, at 9:03 PM, Valerio Piancastelli wrote:

> in the original server, i have also a dataset that shows this
> 
> #ls -l
> ?---------  ? ?   ?     ?            ? pgsql2

could you please show output of 'zdb -ddddd <dataset> 3' ?

victor


> 
> I'm sending you the IP and credentials to have ssh access.
> Please notify me when you don't need anymore
> 
> Valerio Piancastelli
> +39 348 8072760
> piancaste...@iclos.com
> 
> ----- Messaggio originale -----
> Da: "Victor Latushkin" <victor.latush...@oracle.com>
> A: "Valerio Piancastelli" <piancaste...@iclos.com>
> Cc: "mark musante" <mark.musa...@oracle.com>, "zfs-discuss" 
> <zfs-discuss@opensolaris.org>
> Inviato: Lunedì, 20 settembre 2010 18:37:09
> Oggetto: Re: [zfs-discuss] Cannot access dataset
> 
> 
> On Sep 20, 2010, at 7:23 PM, Valerio Piancastelli wrote:
> 
>> Unfortunately not.
>> 
>> When i do 
>> 
>> # /usr/bin/ls -lv /sas/mail-cts
>> brwxrwxrwx 2 777 root 0, 0 Oct 18  2009 
>> /volumes/store/nfs/ICLOS/prod/mail-cts
>> 
>> it seem a block device:
> 
> Yes,it looks like we have bad mode field value in the znode for root 
> directory object of this filesystem. Recently there was similar issue, but 
> there was different sent of bits set in the mode field, so 'ls -l' was 
> displaying directory as question marks.
> 
> Can you provide ssh or Shared Shell (http://sun.com/123) access to your 
> system?
> 
> Regards
> Victor
> 
> 
>> 
>> # stat /sas/mail-cts 
>> File: `/sas/mail-cts'
>> Size: 3               Blocks: 3          IO Block: 512    block special file
>> Device: 2d90062h/47775842d      Inode: 3           Links: 2     Device type: 
>> 0,0
>> Access: (0777/brwxrwxrwx)  Uid: (  777/ UNKNOWN)   Gid: (    0/    root)
>> Access: 2009-10-18 00:11:29.526578221 +0200
>> Modify: 2009-10-18 00:49:05.501732926 +0200
>> Change: 2010-09-17 19:32:10.113622993 +0200
>> 
>> if i do
>> 
>> # /usr/bin/ls -lv /sas/mail-cts/
>> /usr/bin/ls: /volumes/store/nfs/ICLOS/prod/mail-cts/: Not a directory
>> 
>> # stat /sas/mail-cts/
>> stat: cannot stat `/sas/mail-cts/': Not a directory
>> 
>> it seems that "something" turned the directory in block file
>> 
>> 
>> Valerio Piancastelli
>> +39 348 8072760
>> piancaste...@iclos.com
>> 
>> ----- Messaggio originale -----
>> Da: "Mark J Musante" <mark.musa...@oracle.com>
>> A: "Valerio Piancastelli" <piancaste...@iclos.com>
>> Cc: "zfs-discuss" <zfs-discuss@opensolaris.org>
>> Inviato: Lunedì, 20 settembre 2010 17:18:01
>> Oggetto: Re: [zfs-discuss] Cannot access dataset
>> 
>> On Mon, 20 Sep 2010, Valerio Piancastelli wrote:
>> 
>>> Yes, it is mounted
>>> 
>>> r...@disk-00:/volumes/store# zfs get sas/mail-ccts
>>> NAME          PROPERTY  VALUE    SOURCE
>>> sas/mail-cts  mounted   yes      -
>> 
>> OK - so the next question would be where the data is.  I assume when you 
>> say you "cannot access" the dataset, it means when you type ls -l 
>> /sas/mail-cts it shows up as an empty directory.  Is that true?
>> 
>> With luck, the data will still be in a snapshot.  Given that the dataset 
>> has 149G referenced, it could be all there.  Does 'zfs list -rt snapshot 
>> sas/mail-cts' list any?  If so, you can try using the most recent snapshot 
>> by looking in /sas/mail-cts/.zfs/snapshot/<snapshot name> and seeing if 
>> all your data are there.  If it looks good, you can zfs rollback to that 
>> snapshot.
>> _______________________________________________
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> 
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