[gpfsug-discuss] Fw: Flash (Alert) IBM Spectrum Scale V4.2.1/4.2.2 parallel log recovery function may result in undetected data corruption

Sanchez, Paul Paul.Sanchez at deshaw.com
Fri Feb 24 15:15:59 GMT 2017


Can anyone from IBM confirm whether this only affects manager nodes or if parallel log recovery is expected to happen on any other nodes?

Thx
Paul

From: gpfsug-discuss-bounces at spectrumscale.org [mailto:gpfsug-discuss-bounces at spectrumscale.org] On Behalf Of Bryan Banister
Sent: Friday, February 24, 2017 9:08 AM
To: gpfsug main discussion list
Subject: Re: [gpfsug-discuss] Fw: Flash (Alert) IBM Spectrum Scale V4.2.1/4.2.2 parallel log recovery function may result in undetected data corruption

Has anyone been hit by this data corruption issue and if so how did you determine the file system had corruption?

Thanks!
-Bryan

From: gpfsug-discuss-bounces at spectrumscale.org<mailto:gpfsug-discuss-bounces at spectrumscale.org> [mailto:gpfsug-discuss-bounces at spectrumscale.org] On Behalf Of Oesterlin, Robert
Sent: Thursday, February 23, 2017 9:46 AM
To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>>
Subject: [gpfsug-discuss] Fw: Flash (Alert) IBM Spectrum Scale V4.2.1/4.2.2 parallel log recovery function may result in undetected data corruption

For those not subscribed, see below.

Bob Oesterlin
Sr Principal Storage Engineer, Nuance


From: "dW-notify at us.ibm.com<mailto:dW-notify at us.ibm.com>" <dW-notify at us.ibm.com<mailto:dW-notify at us.ibm.com>>
Reply-To: "dW-notify at us.ibm.com<mailto:dW-notify at us.ibm.com>" <dW-notify at us.ibm.com<mailto:dW-notify at us.ibm.com>>
Date: Thursday, February 23, 2017 at 9:42 AM
Subject: [EXTERNAL] [Forums] 'gpfs at us.ibm.com' replied to the 'IBM Spectrum Scale V4.2.2 announcements' topic thread in the 'General Parallel File System - Announce (GPFS - Announce)' forum.

[cid:image001.png at 01D28E86.6F1F9BB0] gpfs at us.ibm.com<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ibm.com_developerworks_community_profiles_html_profileView.do-3Fuserid-3D060000T9GF&d=DgMFaQ&c=djjh8EKwHtOepW4Bjau0lKhLlu-DxM1dlgP0rrLsOzY&r=LPDewt1Z4o9eKc86MXmhqX-45Cz1yz1ylYELF9olLKU&m=VnicQ7hM5kAbUhEZZxbyL6g9pAlwAYXG0f12gJWrEew&s=TdzECmVhE3t4jdrNWogfBMSo8vgP_met3YTFRRdJARc&e=> replied to the IBM Spectrum Scale V4.2.2 announcements<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.ibm.com_developerworks_community_forums_html_topic-3Fid-3Da1939921-2D633b-2D4a45-2D8f0f-2D8f9181fc2bc5&d=DgMFaQ&c=djjh8EKwHtOepW4Bjau0lKhLlu-DxM1dlgP0rrLsOzY&r=LPDewt1Z4o9eKc86MXmhqX-45Cz1yz1ylYELF9olLKU&m=VnicQ7hM5kAbUhEZZxbyL6g9pAlwAYXG0f12gJWrEew&s=DPv9xlNyJnRXkqQPzn7f9lieOuJi5GHz3HRuN7MhFXA&e=> topic thread in the General Parallel File System - Announce (GPFS - Announce)<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.ibm.com_developerworks_community_forums_html_forum-3Fid-3D11111111-2D0000-2D0000-2D0000-2D000000001606&d=DgMFaQ&c=djjh8EKwHtOepW4Bjau0lKhLlu-DxM1dlgP0rrLsOzY&r=LPDewt1Z4o9eKc86MXmhqX-45Cz1yz1ylYELF9olLKU&m=VnicQ7hM5kAbUhEZZxbyL6g9pAlwAYXG0f12gJWrEew&s=NYTL-LzWTlb2LrZOkD1DwKonf9YHX5ujTpJYQmfQYiE&e=> forum.
Flash (Alert) IBM Spectrum Scale V4.2.1/4.2.2 parallel log recovery function may result in undetected data corruption Abstract

IBM has identified a problem with the IBM Spectrum Scale parallel log recovery function in V4.2.1/V4.2.2, which may result in undetected data corruption during the course of a file system recovery.



See the complete Flash at http://www-01.ibm.com/support/docview.wss?uid=ssg1S1009965<https://urldefense.proofpoint.com/v2/url?u=http-3A__www-2D01.ibm.com_support_docview.wss-3Fuid-3Dssg1S1009965&d=DgMFaQ&c=djjh8EKwHtOepW4Bjau0lKhLlu-DxM1dlgP0rrLsOzY&r=LPDewt1Z4o9eKc86MXmhqX-45Cz1yz1ylYELF9olLKU&m=VnicQ7hM5kAbUhEZZxbyL6g9pAlwAYXG0f12gJWrEew&s=GZ88LDgDtQk90LnHRUEAuf08BL83oSKb0NFcUH-j5mU&e=>



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