Re: repairing a corrupted HFS file / *IGW024E HFS DATA SET: xxx

2011-08-30 Thread McKown, John
You're dead, as far as I know. IBM never designed an fsck for either of their 
z/OS UNIX filesystems. I was under the impression that the MOUNT itself had the 
fsck fixing in it.

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 -Original Message-
 From: IBM Mainframe Discussion List 
 [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of Dr. Stephen Fedtke
 Sent: Tuesday, August 30, 2011 12:21 PM
 To: IBM-MAIN@bama.ua.edu
 Subject: repairing a corrupted HFS file / *IGW024E HFS DATA SET: xxx
 
 hi all,
 
 we get the following error:
 
 *22.07.42  *IGW024E HFS DATA SET: SHERLOCK.SHRLCK.HFS
 * INTERRUPTED DURING FILE SYSTEM SYNC. PROBABLE HFS CORRUPTION. 
 * READ-WRITE MOUNT REJECTED 
 
 the literature does not tell anything about a quick option to 
 repair or
 re-sync a corrupted hfs file.
 
 is there really no way to easily repair the hfs?
 
 best, many thanks!
 stephen
 
 p.s.: in meantime, a big thank for all answers on other 
 questions we posed.
 
 ---
 Dr. Stephen Fedtke
 Enterprise-IT-Security.com
 
 Seestrasse 3a
 CH-6300  Zug
 Switzerland
 Tel. ++41-(0)41-710-4005
 www.enterprise-it-security.com
 
 
 ++NEWS++ SF-NoEvasion lets you avoid all 10 pitfalls when 
 connecting z/OS to
 your SIEM ++NEWS++
 
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Re: repairing a corrupted HFS file / *IGW024E HFS DATA SET: xxx

2011-08-30 Thread Mark Jacobs
I've never successfully repaired a damaged HFS. The best you can do is 
either restore from a backup copy or define a new file system and using 
the copytree command copy as much as the damaged file system to the new 
file system as possible. Then mount the new file system at the original 
mount point.


You should consider migrating to zFS from HFS's since they're much more 
resilient to errors of this type.


Mark Jacobs

On 08/30/11 13:21, Dr. Stephen Fedtke wrote:

hi all,

we get the following error:

*22.07.42  *IGW024E HFS DATA SET: SHERLOCK.SHRLCK.HFS
* INTERRUPTED DURING FILE SYSTEM SYNC. PROBABLE HFS CORRUPTION.
* READ-WRITE MOUNT REJECTED

the literature does not tell anything about a quick option to repair or
re-sync a corrupted hfs file.

is there really no way to easily repair the hfs?

best, many thanks!
stephen

p.s.: in meantime, a big thank for all answers on other questions we posed.

---
Dr. Stephen Fedtke
Enterprise-IT-Security.com

Seestrasse 3a
CH-6300  Zug
Switzerland
Tel. ++41-(0)41-710-4005
www.enterprise-it-security.com


++NEWS++ SF-NoEvasion lets you avoid all 10 pitfalls when connecting z/OS to
your SIEM ++NEWS++

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--
Mark Jacobs
Time Customer Service
Tampa, FL


Some people are electrifying, they light up
a room when they leave.

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Re: repairing a corrupted HFS file / *IGW024E HFS DATA SET: xxx

2011-08-30 Thread Shane Ginnane
On Wed, Aug 31st, 2011 at 3:26 AM, McKown, John wrote:

 You're dead, as far as I know. IBM never designed an fsck for either of
 their z/OS UNIX filesystems. I was under the impression that the MOUNT
 itself had the fsck fixing in it.

And fsck is typically more concerned with ensuring a valid (consistent ?)
filesystem exists, not necessarily that all the files contained within
survive intact.
There are exceptions - the designers of (Suns) ZFS were so enamoured with
their handiwork they took years to accept  that they even needed a fsck. 
Mighty impressive piece of work, but it still broke.

Shane ...

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