On Sun, 6 Aug 2023 10:49:12 -0400 gene heskett <ghesk...@shentel.net> wrote:
> On 8/5/23 17:27, Charles Curley wrote: > [...] > [...] > > > > The first thing I wonder is whether you are going to overload your > > power supply by adding all these peripherals. Do the math. > > > There are no power hungry spinning rust drives left in this system. > All 7 drives currently plugged in are SSD's or optical, much stingier > with their power demands. Those optical drives may pull quite a bit of power when powering up. > > > > I have a rather different setup: An SSD with all the usual > > partitions, /home, /, /boot, etc. Then four 4TB hard drives. The > > hard drives are set up as one RAID 5, with one spare drive. The > > RAID device (md0) is encrypted. On top of that, one LVM physical > > volume. Half of that is in one logical volume with an ext4 file > > system, the rest so far unallocated. > > > > My amanda vtapes (virtual tapes) are on the RAID logical volume. I > > also use rsnapshot to back up portions of the SSD every four hours > > to the RAID's logical volume. > > How full are the SSD's? If my experience here with u-sd's is any > guide, leaving them room to do their housekeeping keeps them healthy. > My arm stuff can and has run a full desktop on an 8G, but that 8G > lasts about 6 months, 16G makes that a year, and 64G essentially > lasts forever if infant mortality isn't counted. YMMV of coarse. Interesting. I don't let partitions get over 90% full. Most are less than that. The two hawk2021vg partitions and the two /dev/sda partitions are on the SSD, hawk--vg--raid-crc2020 is on spinning rust. root@hawk:~# df | grep '\(/dev/mapper\|/dev/sd\)' /dev/mapper/hawk2021vg-hawk2021root 105G 68G 32G 69% / /dev/mapper/hawk2021vg-hawk2021home 80G 60G 16G 80% /home /dev/sda2 463M 124M 311M 29% /boot /dev/sda1 489M 5.8M 484M 2% /boot/efi /dev/mapper/hawk--vg--raid-crc2020 4.0T 3.3T 538G 86% /crc /dev/sdg1 1.9G 327M 1.6G 18% /media/disk /dev/mapper/offsite 4.1T 2.9T 974G 76% /media/offsite root@hawk:~# And similarly for others. > > Thanks Charles. > > > Cheers, Gene Heskett. -- Does anybody read signatures any more? https://charlescurley.com https://charlescurley.com/blog/