Hi,
the kernel update from last week has made our troubles worse.
I have not managed to get one backup without the 120s blocking since the update.
Althout I didn't change anything else. Still using noop as io-scheduler.
I'll open a new bug report when no one is responding here.
Sorry but this is most important to us.
I don't think there is anything special with our hardware or setup:
- dual Quad-Core AMD Opteron(tm) Processor 2378 (8 cores)
- 32GB Ram
- SAS: 08:00.0 SCSI storage controller: LSI Logic / Symbios Logic SAS1068E
PCI-Express Fusion-MPT SAS (rev 08)
09:00.0 SCSI storage controller: LSI Logic / Symbios Logic SAS1068E
PCI-Express Fusion-MPT SAS (rev 08)
- SCSI: 02:08.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030
PCI-X Fusion-MPT Dual Ultra320 SCSI (rev c1)
- each SAS serves 24 SATAs HDDs: WDC WD3000HLFS-01G6U1 (Raptor)
- SCSI servers HP tape library with two LTO-3 Ultrium 3-SCSI drives
best regards
Lars
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"Smbd","kjournald2" and "rsync" blocked for more than 120 seconds while using
ext4.
https://bugs.launchpad.net/bugs/494476
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