On 11/30/18 4:26 PM, dsavage--- via users wrote: > >> On 11/30/18 3:39 PM, dsavage--- via users wrote: >>> >>>> On 11/30/18 2:24 PM, dsavage--- via users wrote: >>>>> Does Fedora 29 support the Intel RST (Rapid Storage Technology) chip >>>>> for >>>>> hardware RAID? My new ThinkPad P72 came with an RST chip set up with >>>>> two >>>>> 2TB PCIe M.2 SSDs in a RAID1 config. The Fedora-29-MATE-Compiz spin >>>>> DVD >>>>> doesn't "see" it. Nor does Clonezilla. >>>>> >>>>> There's a BIOS mode setting for the Intel RST: "RST" mode for RAID, >>>>> and >>>>> "AHCI" mode for separate SATA drives. Changing that setting to AHCI >>>>> will >>>>> probably break the RAID1 array and render the P72 unbootable. I don't >>>>> know >>>>> if that would a destructive, irreversible change, or if changing the >>>>> mode >>>>> setting back to RST would restore everything. >>>>> >>>>> I've only tried the MATE spin. One purpose of this question is to >>>>> find >>>>> out >>>>> if the full installation DVD supports the Intel RST chip. >>>> >>>> Yes, you can use RST with Fedora, but you have to import the RST >>>> metadata into mdadmin before you partition and install the OS. There >>>> are >>>> a number of articles out there you can read that describes the >>>> process. >>>> Google is your friend. Note that you'll use mdadmin to manage the RST >>>> stuff when running Linux and the RST tools that come with Windows when >>>> running Windows.. >>>> >>>> That being said, I've never done this in the installer as I never dual >>>> boot Windows and Linux using the same physical disks. For the (very) >>>> few >>>> times I must share a machine between the two, I have one set of disks >>>> for Windows and a separate set of disks for Linux. >>>> >>>> In my world, Windows gets run in VMs with Linux as the host OS. Thus, >>>> I >>>> use mdadmin and its metadata natively for my RAID stuff as I don't >>>> have >>>> to share that metadata with Windows. Preferably, I use a _real_ RAID >>>> controller--but they can be expensive. >>>> ---------------------------------------------------------------------- >>>> - Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx - >>>> - AIM/Skype: therps2 ICQ: 226437340 Yahoo: origrps2 - >>>> - - >>>> ---------------------------------------------------------------------- >>>> _______________________________________________ >>>> users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx >>>> To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx >>>> Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html >>>> List Guidelines: >>>> https://fedoraproject.org/wiki/Mailing_list_guidelines >>>> List Archives: >>>> https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx >>>> >>> >>> Thanks Rick. Ultimately I plan to run this pre-installed Win10 in a VM >>> under F29. The trick is to get a forensic copy of the existing >>> pre-installed OS that I can read back into a VM using P2V. I'm not >>> planning to dual boot. Note that this is a laptop (on steroids!), so >>> using >>> a "real" RAID controller is not feasible. >> >> Oh, hmmm. Yeah. See? There's still a place for desktop machines for >> doing weird stuff like this. >> >> You should be able to use the Windows Security panel. There's a >> mechanism to do a disk image of the Windows 10 install. Here's a link: >> >> https://www.windowscentral.com/how-make-full-backup-windows-10 >> >> If that won't do what you want, I'd still use it to make a backup >> in case of disaster (DVDs are cheap, a spare hard drive in a USB >> box isn't that much, either). >> >> The next step would be booting a live image of Fedora (whatever desktop >> you want) and use the command line to import the RST metadata into mdadm >> and create the RAID for Linux. You could then "dd" that new volume to >> media somewhere. Like I said, you need to be careful so you don't break >> the RST RAID, but it can be done. If you do break the RAID, you'd have >> the backup from the windowscentral.com website instructions to recreate >> it. >> >> Oh, the wonders of technology! > > And there's the problem, Rick. When I boot with the F29 MATE-Compiz live > spin, it can't see the RAID1 array. There's nothing but the 'control' > entry in /dev/mapper directory. There's no SSD (/dev/sda or /dev/sdb) > visible to fdisk. And the only devices available in /dev/disks/by-* are > those of the live image. I'm looking for any doorknob in the dark. Yes, Doc, I get it. Having never done this myself, I can only suggest things. I believe you'll need to run "mdadm --auto-detect -v" to see if it can find the RST RAID metadata. If it finds the RST data, it should create a container device that represents the RST array. You should then be able to create a device from that container (and I'd suggest a read- only device) using "mdadm -A" would represent the RST array. Again, I've never done this with an Intel RST array and I'm not sure any of my machines lying about have this "feature" enabled so I can't do any investigation myself. mdadm says it can deal with it and a google search reveals some results with Mint and Scientific Linux. ---------------------------------------------------------------------- - Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx - - AIM/Skype: therps2 ICQ: 226437340 Yahoo: origrps2 - - - - "You think that's tough? Try herding cats!" - ---------------------------------------------------------------------- _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
