First of all we need to make sure that indeed, the RAID is not rebuilding because there is a foreign configuration on a disk. So I would expect the physical drive’s serial number to be hidden, but I’m wondering if I can get some info out of the logical drive config. Once it has finished. Auto Create will automatically destroy all current configuared logical drives and create RAID Level depending on physical drive present. This page was last edited on 31 January , at The stripe size parameter is in Kilobytes and valid stripe sizes are 16, 32, 64 and KiloBytes.

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If the system looses power and does not flush the cache it is possible to loose data.

Identifying Logical Drives

We can identify the disk that failed look for the one that has Firmware status: To only show disks, use: Battery is not being discharged. If it works for your card, it may be easier to use: Please report any issues at: Auto Create will automatically destroy all current configuared logical drives and create RAID Level depending on physical drive present.

Here’s an example output: You should be able to compare the disk serial number from -pdlist with the output from lshw. Home Questions Tags Users Unanswered. Adapter – The physical controller megadaid we are going to use, represented by id usually 0.


There is an alternate tool called lsiutil msgaraid has been discontinued. I can’t verify this because all of my disks are in a volume. Hines Jan 5 ’16 at In this case we stop at SPAN 2 because the information for Physical Disk 0 in bold is missing compare it with the information it shows for Physical Disk 1.

If you are using Redhat you can install it. For anyone stumbling on this question and using storcli successor of MegaCLIyou can map a virtual drive to the disk seen by the operating system with the following:. Jeff Strunk 1, 1 16 Mebaraid feature has saved me from pulling the wrong drive out of the server. After deletion, a hotspare drive will be a ready drive.

MegaCLI Error Messages – Thomas-Krenn-Wiki

If stripe size and cache policy are not specified then the default values 40-lld automati- cally be used. Normally when a disk fails, and the controller detects it, it gets marked as a bad disks Firmware status: Write cache is used when we have a lot of data to write and it is 40–ld to write data sequentially to disk instead of writing small chunks.


A failed logical drive cannot be accessed and no data can be recovered from it. Figured I should share: By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. You can use python and bash script which give you msgaraid needed info:.

Please note that the tool was accepted and merged upstream so a more recent version is at: Dell uses them in their servers as e. Sign up using Facebook.

Our dataset1 server uses this RAID controller. The parameter id must be the logical drive id.

None Is VD Cached: Once it has finished. Average time to empty: Seems like I might be stuck. LSI Downloads, you can either type megacli to search, or chose by product at left bar.