Estimated Time to full recharge: First of all we need to make sure that indeed, the RAID is not rebuilding because there is a foreign configuration on a disk. Sign up or log in Sign up using Google. Home Questions Tags Users Unanswered. For anyone stumbling on this question and using storcli successor of MegaCLI , you can map a virtual drive to the disk seen by the operating system with the following:. In the case above, 2 LD were listed, with detail info such as raid level, size, strip size, cache policy etc.. Eventually we want to get the information about the mapping between linux devices and virtual drives raid devices.
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Our dataset1 server uses this RAID controller.
A failed logical drive cannot be accessed and no data can be recovered from it. Email Required, but never shown. Figured I should share:. This page was last edited on 31 Januaryat NOTE that this tool is generally installed on all hosts with lsi raid from a debian package now, and is called megacli note the lower case. Optimal state means that the logical drive is in perfect condition.
The device name will be in the logical name field. Once you select your megarzid card, option 42 is supposed to display the OS names. If -log option is megaeaid, then all the displayed information will be logged with Date and Time in a file specified by -log option.
MegaCli useful commands with examples. The tool itself is available at: Patrol read is a feature which tries to discover disk error before it is too late and data is lost. It is always faster to read and write to cache then to access spinning disks.
Hardware Raid Setup using MegaCli – Linux Raid Wiki
We can identify the disk that failed look for the one that has Firmware status: First of all we need to 40-lr sure that indeed, the RAID is not rebuilding because there is a foreign configuration on a disk.
If size is not specified, then the remaining size of the array will automatically be used. To check the whole array status ie: I was researching for the same thing megaraud found this post – http: Figured I should share: Thanks for the tip though. Post as a guest Name. Dorian Gambin 61 1 1.
Navigation Main page Recent changes Random page. The size parameter is in MB and the minimum size of a logical drive must be MB.
Identifying Logical Drives
No In the case above, 2 LD were listed, with detail info such as raid level, size, strip size, cache policy etc. Normally when a disk fails, and the controller detects it, it gets marked as a bad 440-ld Firmware status: Please submit bug reports on github.