Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-13 Thread Stefan Monnier
Anssi Saari [2023-11-13 12:34:13] wrote: > Stefan Monnier writes: >> My home NAS is in a completely different category: >> an ARM SBC with on-board SATA. Much smaller, extremely quiet (no fan), >> and between 5W and 10W of power consumption depending on whether it's >> mostly idle (the

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-13 Thread Anssi Saari
Stefan Monnier writes: > My home NAS is in a completely different category: > an ARM SBC with on-board SATA. Much smaller, extremely quiet (no fan), > and between 5W and 10W of power consumption depending on whether it's > mostly idle (the overwhelmingly common case) or not. So which ARM SBC

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-12 Thread tomas
On Sun, Nov 12, 2023 at 03:17:17PM -0500, Stefan Monnier wrote: > > FOSS is great for learning by doing, but commercial products can be a better > > choice when a family member, a friend, a neighbor, and especially clients > > and employers, want a computer, a server, a network gateway, etc.. It

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-12 Thread Stefan Monnier
> FOSS is great for learning by doing, but commercial products can be a better > choice when a family member, a friend, a neighbor, and especially clients > and employers, want a computer, a server, a network gateway, etc.. It is > ironically satisfying when those commercial products have FOSS on

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-12 Thread David Christensen
On 11/12/23 09:15, Andrew M.A. Cater wrote: On Sat, Nov 11, 2023 at 04:01:47PM -0800, David Christensen wrote: An obvious difference between internal and external drives is physical protection. Internal drives and cables are protected. Everything gets power from the same source (PSU, PCU fed

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-12 Thread David Christensen
On 11/12/23 05:15, Andy Smith wrote: On Sat, Nov 11, 2023 at 04:01:47PM -0800, David Christensen wrote: SSD RAID10 is very impressive when everything else matches. Backups over a Gigabit LAN onto SATA III SSD RAID10 does not make sense because Gigabit Ethernet is rated for 1 Gbps read/ write

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-12 Thread Andrew M.A. Cater
On Sat, Nov 11, 2023 at 04:01:47PM -0800, David Christensen wrote: > On 11/11/23 08:52, Andrew M.A. Cater wrote: > > On Fri, Nov 10, 2023 at 10:22:07PM -0500, gene heskett wrote: > > > On 11/10/23 19:46, David Christensen wrote: > > > > On 11/8/23 02:20, gene heskett wrote: > > > > Are these 2TB

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-12 Thread Andy Smith
Hello, On Sat, Nov 11, 2023 at 04:01:47PM -0800, David Christensen wrote: > SSD RAID10 is very impressive when everything else matches. Backups over a > Gigabit LAN onto SATA III SSD RAID10 does not make sense because Gigabit > Ethernet is rated for 1 Gbps read/ write and a SATA III SSD RAID10

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-11 Thread Stefan Monnier
> I have always liked ATX tower cases with lots of drive bays, both internal > and external. Over time, more products have become available with good > cooling and low noise. I have not found a major computer manufacturer who > makes servers with all of those features, so I build my own: > > *

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-11 Thread David Christensen
On 11/11/23 08:52, Andrew M.A. Cater wrote: On Fri, Nov 10, 2023 at 10:22:07PM -0500, gene heskett wrote: On 11/10/23 19:46, David Christensen wrote: On 11/8/23 02:20, gene heskett wrote: And I just looked at tht pair, and acc gparted they have both been pvcreated, so I'll leave then alone

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-11 Thread Dan Ritter
Jeffrey Walton wrote: > >From what I've read when comparing OpenMediaVault vs TrueNAS, it > usually comes down to the power consumption of the mini computer/mini > pc. 5W can save you $100 USD per year. Probably more now due to > inflation. 5W * 24h/D * 30 D/M * 12M/Y = 43200 Wh, or 43.2KWh per

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-11 Thread Jeffrey Walton
On Sat, Nov 11, 2023 at 6:20 PM Dan Ritter wrote: > > Jeffrey Walton wrote: > > >From what I've read when comparing OpenMediaVault vs TrueNAS, it > > usually comes down to the power consumption of the mini computer/mini > > pc. 5W can save you $100 USD per year. Probably more now due to > >

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-11 Thread gene heskett
On 11/11/23 15:41, Pocket wrote: On 11/11/23 13:47, Stefan Monnier wrote: I have used ssd drives connected to a RPI4 ever since the 4 came out, zero issues. The RPI4's boot from the ssd drives. I have 4 SSD drives connected to a single RPI4 currently, using a powered USB hub. Hmm...  so

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-11 Thread Jeffrey Walton
On Sat, Nov 11, 2023 at 1:48 PM Stefan Monnier wrote: > > > I have used ssd drives connected to a RPI4 ever since the 4 came out, > > zero issues. > > The RPI4's boot from the ssd drives. > > I have 4 SSD drives connected to a single RPI4 currently, using a powered > > USB hub. > > Hmm... so

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-11 Thread Pocket
On 11/11/23 13:47, Stefan Monnier wrote: I have used ssd drives connected to a RPI4 ever since the 4 came out, zero issues. The RPI4's boot from the ssd drives. I have 4 SSD drives connected to a single RPI4 currently, using a powered USB hub. Hmm... so maybe the USB connection is not

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-11 Thread Stefan Monnier
> I have used ssd drives connected to a RPI4 ever since the 4 came out, > zero issues. > The RPI4's boot from the ssd drives. > I have 4 SSD drives connected to a single RPI4 currently, using a powered > USB hub. Hmm... so maybe the USB connection is not directly relevant either and the real

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-11 Thread Pocket
On 11/11/23 12:05, Stefan Monnier wrote: Are these 2TB SSDs or hard disks? I would counsel very strongly indeed against using any ARM-based single board computer as a RAID device on USB connections - they're just *not* up to it. I don't think the issue is whether they're ARM based. The issue

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-11 Thread fxkl47BF
just my two sense not advice or promotion i've used this device for about 2.5 years with 6tb harddrives in raid 1 i have partitions on the raid for the os, debian, and the rest for backups no problems so far https://ameridroid.com/products/odroid-hc4

Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?]

2023-11-11 Thread Stefan Monnier
> Are these 2TB SSDs or hard disks? I would counsel very strongly indeed > against using any ARM-based single board computer as a RAID device on > USB connections - they're just *not* up to it. I don't think the issue is whether they're ARM based. The issue is simply how you connect the disks: