Raid Archives - Bugbear Thoughts

Calculating filesystem stride_size and stripe_width for best performance under RAID

Published on February 26, 2015 Author gryzli

Here is a little howto on calculating the right stride_size and stripe_width when creating new ext4 filesystem. This makes sense when you are running either on hardware or software raid under linux. What is stride size and stripe width ? These two parameters could be supplied to mkfs.ext3/ mfks.ext4, during the filesystem creation. By… Continue reading Calculating filesystem stride_size and stripe_width for best performance under RAID →

LSI MegaCLI commands (MegaCLI cheatsheat)

Published on October 22, 2014 Author gryzli

Here I will describe frequently used by me MegaCLI commands. Controller related info MegaCli -AdpAllInfo -aALL MegaCli -CfgDsply -aALL MegaCli -AdpEventLog -GetEvents -f events.log -aALL Physical drives info # List all physical disks MegaCli -pdlist -aall # Information about phys drive: X MegaCli -pdInfo -PhysDrv[?:X] -aALL # Check the rebuild status of #… Continue reading LSI MegaCLI commands (MegaCLI cheatsheat) →