VMware guest experiencing slow IO performance during fstrim
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SUSE Linux Enterprise Server 12 SP5
EXT4-fs (dm-8): discard request in group:201 block:25351 count:8651 failed with -5 sd 9:0:0:0: timing out command, waited 180s sd 9:0:0:0: [sdd] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK sd 9:0:0:0: [sdd] tag#0 CDB: Unmap/Read sub-channel 38 00 00 00 00 00 00 00 14 00 print_req_error: I/O error, dev sdd, sector 852457322
In ESXi 6.7 U2 or later Linux VMs fails unmap and windows VMs can hang or have slow IO performance (79277)
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- Document ID:000019768
- Creation Date: 30-Oct-2020
- Modified Date:31-Oct-2020
- SUSE Linux Enterprise Server
- SUSE Linux Enterprise Server for SAP Applications
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