Re: Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-18 Thread Yassine Chaouche
Le 3/13/25 à 17:36, Michael Stone a écrit> I guess I don't understand how you expect smartctl to query a dead disk. It's dead, that means it's not going to respond. I wish there a was some kind of "death" that would render the drive useless for storage but still usable enough to retrieve diagn

Re: Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-16 Thread Yassine Chaouche
Le 3/13/25 à 17:36, Michael Stone a écrit : I guess I don't understand how you expect smartctl to query a dead disk. It's dead, that means it's not going to respond. I secretly wished there was some kind of blackbox in some specialized chip or memory that specialized software can use for fore

Re: Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-16 Thread Yassine Chaouche
Le 3/13/25 à 14:33, Erwan David a écrit : You can get the layout with lsblk, IIRC I'm not an expert on the subject, but from the few man pages and online help I've gathered, I have come to understand that the system (and lsblk) only see logical disks. Physical disks are hidden behind the RAID

Re: Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-15 Thread Erwan David
On Thu, Mar 13, 2025 at 02:08:21PM CET, Yassine Chaouche said: > Le 3/12/25 à 23:11, Michael Stone a écrit : > > Two of the drives are dead, you're not going to see anything from them > > So this means I can't rely on smartctl to list physical disks, > which implies that, > for servers I didn't

Re: Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-13 Thread Charles Curley
On Thu, 13 Mar 2025 12:36:46 -0400 Michael Stone wrote: > I guess I don't understand how you expect smartctl to query a dead > disk. It's dead, that means it's not going to respond. Not quite. The electronics may respond even if the head-disk assembly (HDA) is broken. It probably won't give a co

Re: Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-13 Thread Michael Stone
On Thu, Mar 13, 2025 at 11:35:08AM -0600, Charles Curley wrote: On Thu, 13 Mar 2025 12:36:46 -0400 Michael Stone wrote: I guess I don't understand how you expect smartctl to query a dead disk. It's dead, that means it's not going to respond. Not quite. The electronics may respond even if the

Re: Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-13 Thread Michael Stone
On Thu, Mar 13, 2025 at 02:08:21PM +0100, Yassine Chaouche wrote: Le 3/12/25 à 23:11, Michael Stone a écrit : Two of the drives are dead, you're not going to see anything from them So this means I can't rely on smartctl to list physical disks, I guess I don't understand how you expect smartc

Re: Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-13 Thread Yassine Chaouche
Le 3/12/25 à 17:51, Greg a écrit> According to my (very old) scripts you should use something like /dev/cciss/c1d0 instead of /dev//sg? It could be the old driver/kernel module interface. The one I have is /dev/sgx. I have no /dev/cciss* present. Besides, for HP Smart Array, the example found

Re: Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-13 Thread Yassine Chaouche
Le 3/12/25 à 23:11, Michael Stone a écrit : Two of the drives are dead, you're not going to see anything from them So this means I can't rely on smartctl to list physical disks, which implies that, for servers I didn't install, I need to know their RAID setup in advance, or at least the total n

Re: Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-12 Thread Michael Stone
On Wed, Mar 12, 2025 at 04:41:06PM +0100, Yassine Chaouche wrote: I have 5 disks on my server, 2x1 terabyte disks + 3x450 Gb disks, but smartctl and cciss_vol_status only show 3 disks. My controller is sg0 as shown in the output of lssci Two of the drives are dead, you're not going to see anyth

Re: Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-12 Thread Greg
On 3/12/25 16:41, Yassine Chaouche wrote: Dear list, I have 5 disks on my server, 2x1 terabyte disks + 3x450 Gb disks, but smartctl and cciss_vol_status only show 3 disks. My controller is sg0 as shown in the output of lssci   root@messagerie-recup[10.10.10.22] ~ # lsscsi -gs   [1:0:0:0]   

Accessing individual disk's SMART diagnostics behing a physical RAID

2025-03-12 Thread Yassine Chaouche
Dear list, I have 5 disks on my server, 2x1 terabyte disks + 3x450 Gb disks, but smartctl and cciss_vol_status only show 3 disks. My controller is sg0 as shown in the output of lssci root@messagerie-recup[10.10.10.22] ~ # lsscsi -gs [1:0:0:0]cd/dvd hp DVD A DS8A5LH 1HE3 /dev/