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-boun...@spectrumscale.org [mailto:gpfsug-discuss-boun...@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-boun...@spectrumscale.org<mailto:gpfsug-discuss-boun...@spectrumscale.org> [mailto:gpfsug-discuss-boun...@spectrumscale.org] On Behalf Of Oesterlin, Robert Sent: Thursday, February 23, 2017 9:46 AM To: gpfsug main discussion list <gpfsug-discuss@spectrumscale.org<mailto:gpfsug-discuss@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-not...@us.ibm.com<mailto:dw-not...@us.ibm.com>" <dw-not...@us.ibm.com<mailto:dw-not...@us.ibm.com>> Reply-To: "dw-not...@us.ibm.com<mailto:dw-not...@us.ibm.com>" <dw-not...@us.ibm.com<mailto:dw-not...@us.ibm.com>> Date: Thursday, February 23, 2017 at 9:42 AM Subject: [EXTERNAL] [Forums] 'g...@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@01D28E86.6F1F9BB0] g...@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=> ________________________________ Note: This email is for the confidential use of the named addressee(s) only and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you are hereby notified that any review, dissemination or copying of this email is strictly prohibited, and to please notify the sender immediately and destroy this email and any attachments. Email transmission cannot be guaranteed to be secure or error-free. The Company, therefore, does not make any guarantees as to the completeness or accuracy of this email or any attachments. This email is for informational purposes only and does not constitute a recommendation, offer, request or solicitation of any kind to buy, sell, subscribe, redeem or perform any type of transaction of a financial product.
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