You should reboot whenever patches or upgrades require it. Was that a trick question or something?
On Mon, Nov 28, 2022 at 12:51 AM Greg Thomas <get.misc.open...@gmail.com> wrote: > > > On Sun, Nov 27, 2022 at 12:08 PM James Johnson <mytraddr...@gmail.com> > wrote: > >> Thank you for this interesting perspective. >> >> Combined with the previous advice, I am convinced. I will not try to have >> the machine sleep, or even try to put the drives in spun down. From what >> you guys are saying, it seems doing so would be over-engineering. >> >> What are your thoughts regarding reboots? Should I do a daily, weekly, >> monthly reboot? >> >> >> > On 27 Nov 2022, at 20:00, Bodie <bo...@bodie.cz> wrote: >> > >> > >> > >> > On 27.11.2022 10:37, James Johnson wrote: >> >> Hi all, >> >> OpenBSD is amazing. But I need help in configuring it correctly as a >> >> remote server, rarely used. >> >> The main thing I am trying to do is to make it sleep every now and >> >> then to protect resources. I am very flexible on how to do this, but >> >> have been unable to do so. >> >> Here's what I tried : >> >> 1) Make it sleep and wake up when woken up remotely >> >> I investigated Wake On Lan, which I enabled via ifconfig. However, >> >> this system is deployed remotely, and I have no access to other >> >> computers on the LAN, so I am unable to make this work. >> >> 2) Make it sleep for a few hours and then wake up >> >> After 3hours+ of research in man pages and the internet, I have not >> >> seen any solution for that. >> >> 3) hard drives Spin down, CPU lower freq >> >> I have been able to lower the CPU speed by running `apm -L`. >> >> I haven't been able to spin down the hard drives. >> >> How important is it to manually send a command to spin down the unused >> >> harddrives? Will it be down by the system automatically? >> >> I am trying to get info on the drives from the system but `atactl sd0 >> >> checkpower ` always shows `standby` even after I have just written on >> >> the disk. I understand this does not work because my drives are SCSI >> >> and not ATA. >> >> I read the man page for scsi, and I see the command to spin down hard >> >> drives : `scsi -f /dev/rsd2c -c "1b 0 0 0 0 0"` >> >> However, I see no command to spin them back up. Is it automatic? >> >> How can I request information on the spin state of the drive. I am >> >> just a little worried about starting to send low levels instructions >> >> to the hard drive, with little understanding of it. Is it safe to send >> >> this command? >> >> Thanks all ! >> >> PS : dmesg : I cannot share the full dmesg for security reasons, but >> >> it is a fairly standard i386 machine, with 2 drives mounted as SCSI. >> > >> > As already pointed out by others. Don't do that ;-) Unless you explain >> > why you need to do that (I'm sure it is possible without disclosing >> much) >> > >> > I build systems running for eg. 12 years, amd64 architecture, SATA >> disks, >> > DDR RAM and so on. Serving number of virtual machines with constantly >> > higher number of utilizations and in dozens of them only 2 problems >> > during those years - battery for internal RAID run out :-) >> > >> > Saw systems which were running for over 30 years and nothing wrong with >> > them. >> > >> > Can't talk about electricity as those are basically underground cities >> > and there are different problems then if CPU is running 3 or 1GHz ;-) >> > >> > Sounds like maybe some IoT solution, but then go for ARM or use virtual >> > machine in eg. OpenBSD Amsterdam or you really need compute power on >> > demand then go for free options in eg. Azure (12 months free basic >> Linux) >> > or Oracle Cloud Infrastructure or whatever else you find fit. >> > >> > Either it is so important, need to be physically under your control and >> > then small differences in electricity does not matter or solutions above >> > are perfectly fine for your needs. >> > >> > Just one hint. No matter if own machine or something rented you want >> that >> > machine to be worth the money that means to do something on it and not >> > have it shut down ;-) >> >>
