We have a MFSYS25 v1 that has is having sporadic issues when we reboot a compute module. Sometimes when a compute module reboots (all of them are MFS5520VI) it can't find a boot device. The previous admin would reboot the entire chassis to resolve this issue. The chassis is running firmware version 6.10.
I have seen it on the v2 chassis that sometimes when you do a firmware update it can't find the boot device for a compute module. In that case the SCM affinity flips to SCM2 even though none of the modular servers we use have a second SCM. Setting it back to normal fixes it for the time being. I haven't been able to confirm that this is the same issue on this chassis because we don't have this issue every time we reboot.
If anyone has any thoughts on this I would be interested in hearing them as official support for this model has ended.
I've seen that happen when the storage pool that hosts the boot drive, has drives with mismatched models or firmware. check the storage configuration, see what drives you have in that pool.