On Wed, 9 Feb 2022 09:57:25 -0500 Phil Turmel <philip@xxxxxxxxxx> wrote: > On 2/7/22 15:26, Red Wil wrote: > > Hello, > > [trim/] > > > Approaches/solutions and critique > > 1- add one by one a 'spare' and 'replace' raid member > > critique: > > - seem to me long and tedious process > > - cannot/will not run in parallel > > 2- add all the spares at once and perform 'replace' on members > > critique > > - just tedious - lots of cli commands which can be prone to > > mistakes. next ones assume I have all the 'spares' in the rig > > 3- create new arrays on spares, fresh fs and copy data. > > 4- dd/ddrescue copy each drive to a new one. Advantage can be > > done one by one or in parallel. less commands in the terminal. > > My last drive upgrades were done in a chassis that had two extra hot > swap bays. So I could do two at a time. I wanted to keep careful > track of roles, so I started a replace after each spare added, to > ensure that spare would get the designated role. After it was > running, I would --add and --replace the next. After the first two > were running (staggered), it was just waiting for one to finish to > pop it out and start the next. > > After completion, I used --grow to occupy the new space on each. > > Took several days, but no downtime at all. > > Phil Hello Phil, My current chassis is full (no space at all) but I found another chassis I could use to temporary extend my chassis for the duration of the swap by using two SAS HBAs and use all 22 drives at once. Thanks Red