Excellent info Dana thanks for sharing
Carmen
----- Original Message -----
From: "Dana Mitchell" <mitchd...@gmail.com>
To: IBM-MAIN@LISTSERV.UA.EDU
Sent: Tuesday, March 7, 2017 3:33:15 PM
Subject: Re: Can you use IDCAMS REPRO on zFS files
I have a step like this in each of my zfs clone jobs to do that sort of thing:
//ZFSADM1 EXEC PGM=IOEAGSLV,REGION=0M,
// PARM=('-aggregate OMVS.PR02.ROOT.Z21RSA -recoveronly')
Dana
On Tue, 7 Mar 2017 12:53:31 -0500, Carmen Vitullo <cvitu...@hughes.net> wrote:
>Great info John, thank you, I knew ZFS did some integrity check during mount
>processing, you can see the delay's when you clone a ZFS FS from one system
>and mount it to another, along with a nice little message that tells you he's
>(zfs) is checking the file because the last owner was xxxyy... or soemthing
>similar.
>
>
>Carmen
>
>----- Original Message -----
>
>From: "John McKown" <john.archie.mck...@gmail.com>
>To: IBM-MAIN@LISTSERV.UA.EDU
>Sent: Tuesday, March 7, 2017 11:07:46 AM
>Subject: Re: Can you use IDCAMS REPRO on zFS files
>
>On Tue, Mar 7, 2017 at 10:50 AM, R.S. <r.skoru...@bremultibank.com.pl>
>wrote:
>
>> W dniu 2017-03-06 o 14:37, Carmen Vitullo pisze:
>>
>>> I check the filesystems using the diff uss command
>>> mount the new FS somewhere temporart like
>>> /u/userid/tmp
>>> then use the diff command to compare the dir and file structure write the
>>> results to a compare.txt file
>>>
>>>
>>> diff -r /u/userid/tmp /oldmount/ > /u/userid/compare.txt
>>> that should give you an good idea the filesystem REPRO'D is the same as
>>> the old
>>>
>>
>> Yes, that's good for two filesystems (or just directory trees) comparison.
>> However I did mean something like DOS/Windows chkdsk utility - to find
>> logical errors.
>>
>
>On a "real UNIX" system there is the "fsck" command which is the
>equivalent. However, as I recall (no reference), IBM decided that their
>filesystems were so perfect that such was an unneeded luxury. Again, as I
>remember, when an HFS or zFS filesystem is mounted, a flag is set which
>marks it as "dirty" (so to speak). When the filesystem is unmounted, the
>flag is set as "clean". When a filesystem is mounted, this flag is tested.
>If it is "dirty", then the mount process does the equivalent of a
>filesystem integrity check. If you want to see what it does, just crash
>your sandbox with UNIX active (a simple IPL will do it). This puts out some
>messages when UNIX mounts the filesystems.
>
>
>
>>
>> Regards
>> --
>> Radoslaw Skorupka
>> Lodz, Poland
>>
>>
>>
>>
>>
>>
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>
>
>--
>"Irrigation of the land with seawater desalinated by fusion power is
>ancient. It's called 'rain'." -- Michael McClary, in alt.fusion
>
>Maranatha! <><
>John McKown
>
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