Hi,
> LTO is pretty much the only sensible choice these days as I understand
it.
That's really the case, for bulk storage of any type you need to be able
to tier a lot of it offsite/offline. I'm responsible for a tape library
with a robot arm and about 13 drives raging from LTO7 through to LTO
On Sun, Nov 17, 2024 at 6:04 PM Jack wrote:
>
> What about DEC-Tape? :-) (https://en.wikipedia.org/wiki/DECtape) (I
> may even have a few left in a closet somewhere, if only I could find
> someone to read them.)
>
LTO is pretty much the only sensible choice these days as I understand
it. I've
On 2024.11.17 16:26, Rich Freeman wrote:
On Sun, Nov 17, 2024 at 6:22 AM Michael
wrote:
> On Saturday 16 November 2024 20:13:30 GMT Rich Freeman wrote:
[snip ]
> It would be interesting to see how different fs types perform on
DM-SMRs.
Not that interesting, for me personally. That's
On Sun, Nov 17, 2024 at 6:22 AM Michael wrote:
>
> On Saturday 16 November 2024 20:13:30 GMT Rich Freeman wrote:
> >
> > The idea of a host-managed drive is to avoid the random writes in the
> > first place, and the need to do the random reads. For this to work
> > the host has to know where the
On Saturday 16 November 2024 20:13:30 GMT Rich Freeman wrote:
> On Sat, Nov 16, 2024 at 2:47 PM Michael wrote:
> > What differs with
> > HM-SMR instructions is the host is meant to take over the management of
> > random writes and submit these as sequential whole band streams to the
> > drive to
On 16/11/2024 20:13, Rich Freeman wrote:
Well, drive-managed SMR drives typically have CMR regions for data
caching, and they could also be used to store the bitmap. Cheap
drives might not support trim at all, and would just preserve all data
on write. After all, it isn't performance that is dr
On Sat, Nov 16, 2024 at 2:47 PM Michael wrote:
>
> As I understand it from reading various articles, the constraint of having to
> write sequentially a whole band when a random block changes within a band
> works the same on both HM-SMR and the more common DM-SMR.
Correct.
> What differs with
>
On Saturday 16 November 2024 14:36:02 GMT Rich Freeman wrote:
> On Sat, Nov 16, 2024 at 6:02 AM Michael wrote:
> > I assume (simplistically) with DM-SMRs the
> > discard-garbage collection is managed wholly by the onboard drive
> > controller, while with HM-SMRs the OS will signal the drive to sta
On Sat, Nov 16, 2024 at 6:02 AM Michael wrote:
>
> I assume (simplistically) with DM-SMRs the
> discard-garbage collection is managed wholly by the onboard drive controller,
> while with HM-SMRs the OS will signal the drive to start trimming when the
> workload is low in order to distribute the ti
On Friday 15 November 2024 22:13:27 GMT Rich Freeman wrote:
> On Fri, Nov 15, 2024 at 10:35 AM Michael wrote:
> > Host managed SMRs (HM-SMR) require the OS and FS to be aware of the need
> > for sequential writes and manage submitted data sympathetically to this
> > limitation of the SMR drive, by
On Fri, Nov 15, 2024 at 10:35 AM Michael wrote:
>
> Host managed SMRs (HM-SMR) require the OS and FS to be aware of the need for
> sequential writes and manage submitted data sympathetically to this limitation
> of the SMR drive, by queuing up random writes in batches and submitting these
> as a s
Michael wrote:
> On Friday 15 November 2024 11:59:34 GMT Dale wrote:
>> Michael wrote:
>>> On Friday 15 November 2024 05:53:53 GMT Dale wrote:
The thing about my data, it's mostly large video files. If I were
storing documents or something, then SSD or something would be a good
opti
On Friday 15 November 2024 11:59:34 GMT Dale wrote:
> Michael wrote:
> > On Friday 15 November 2024 05:53:53 GMT Dale wrote:
> >> The thing about my data, it's mostly large video files. If I were
> >> storing documents or something, then SSD or something would be a good
> >> option. Plus, I mostl
Frank Steinmetzger wrote:
> Am Freitag, 15. November 2024, 06:53:53 Mitteleuropäische Normalzeit schrieb
> Dale:
>> Rich Freeman wrote:
>>> On Thu, Nov 14, 2024 at 6:10 PM Dale wrote:
The biggest downside to the large drives available now, even if SMART
tells you a drive is failing, you
Michael wrote:
> On Friday 15 November 2024 05:53:53 GMT Dale wrote:
>
>> The thing about my data, it's mostly large video files. If I were
>> storing documents or something, then SSD or something would be a good
>> option. Plus, I mostly write once, then it either sits there a while or
>> gets r
Am Freitag, 15. November 2024, 06:53:53 Mitteleuropäische Normalzeit schrieb
Dale:
> Rich Freeman wrote:
> > On Thu, Nov 14, 2024 at 6:10 PM Dale wrote:
> >> The biggest downside to the large drives available now, even if SMART
> >> tells you a drive is failing, you likely won't have time to copy
On Friday 15 November 2024 05:53:53 GMT Dale wrote:
> The thing about my data, it's mostly large video files. If I were
> storing documents or something, then SSD or something would be a good
> option. Plus, I mostly write once, then it either sits there a while or
> gets read on occasion.
For
On 15/11/2024 00:18, Peter Humphrey wrote:
In the 70s and 80s the national grid control centre in this country used three
2MB disks, any one or two of which could be online at any time. I can't tell
you the platter size, but they were mounted in cabinets about 5' long, 3'6"
tall and 2' wide. Each
On Thursday 14 November 2024 22:38:59 GMT Wols Lists wrote:
> On 14/11/2024 20:33, Dale wrote:
> > It's one thing that kinda gets on my nerves about SMR. It seems,
> > sounds, like they tried to hide it from people to make money. Thing is,
> > as some learned, they don't do well in a RAID and som
Rich Freeman wrote:
> On Thu, Nov 14, 2024 at 6:10 PM Dale wrote:
>> The biggest downside to the large drives available now, even if SMART
>> tells you a drive is failing, you likely won't have time to copy the
>> data over to a new drive before it fails. On a 18TB drive, using
>> pvmove, it can
On Thu, Nov 14, 2024 at 6:10 PM Dale wrote:
>
> The biggest downside to the large drives available now, even if SMART
> tells you a drive is failing, you likely won't have time to copy the
> data over to a new drive before it fails. On a 18TB drive, using
> pvmove, it can take a long time to move
On Thursday 14 November 2024 16:48:56 GMT Dale wrote:
> I remember seeing old drives that had I think 14" platters. They had
> large motors to spin them. The controller was a separate thing too. I
> think their capacity was like 30 or 40MBs or so. It usually took two
> people to move one of th
On Thursday 14 November 2024 19:55:19 GMT Frank Steinmetzger wrote:
> Lol, writing the above text gave me the strange feeling of having written it
> before. So I looked into my archive and I have indeed: in June 2014 *and*
> in December 2020. 🫣
Tiresomely repetitious, then...
:)
--
Regards,
Pe
Rich Freeman wrote:
> On Thu, Nov 14, 2024 at 3:33 PM Dale wrote:
>>
>> I've had a Seagate, a Maxtor from way back and a Western Digital go bad.
>> This is one reason I don't knock any drive maker. Any of them can produce a
>> bad drive.
> ++
>
> All the consumer drive manufacturers are in a s
Am Donnerstag, 14. November 2024, 20:12:25 Mitteleuropäische Normalzeit
> The only Seagate 7200RPM disk I have started playing up a month ago. I now
> have to replace it. :-(
The German tech bubble has a saying when it’s about Seagate: “Sie geht oder
sie geht nicht”. It plays on the fact that
On 14/11/2024 20:33, Dale wrote:
It's one thing that kinda gets on my nerves about SMR. It seems,
sounds, like they tried to hide it from people to make money. Thing is,
as some learned, they don't do well in a RAID and some other
situations. Heck, they do OK reading but when writing, they c
On Thu, Nov 14, 2024 at 3:33 PM Dale wrote:
>
>
> I've had a Seagate, a Maxtor from way back and a Western Digital go bad.
> This is one reason I don't knock any drive maker. Any of them can produce a
> bad drive.
++
All the consumer drive manufacturers are in a super-price-conscious
market.
Michael wrote:
> On Thursday 14 November 2024 17:00:07 GMT Dale wrote:
>> Michael wrote:
>>> On Wednesday 13 November 2024 23:10:10 GMT Dale wrote:
Howdy,
One of my PVs is about 83% full. Time to add more space, soon anyway.
I try not to go past 90%. Anyway, I was looking at h
Am Donnerstag, 14. November 2024, 20:51:32 Mitteleuropäische Normalzeit
schrieb Frank Steinmetzger:
> Am Donnerstag, 14. November 2024, 20:12:25 Mitteleuropäische Normalzeit
>
> > The only Seagate 7200RPM disk I have started playing up a month ago. I
> > now
> > have to replace it. :-(
>
> The
On Thursday 14 November 2024 17:00:07 GMT Dale wrote:
> Michael wrote:
> > On Wednesday 13 November 2024 23:10:10 GMT Dale wrote:
> >> Howdy,
> >>
> >> One of my PVs is about 83% full. Time to add more space, soon anyway.
> >> I try not to go past 90%. Anyway, I was looking at hard drives and
>
Wols Lists wrote:
> On 13/11/2024 23:10, Dale wrote:
>> My question is this. Given they cost about $20 more, from what I've
>> found anyway, is it worth it? Is there a downside to this new set of
>> heads being added? I'm thinking a higher failure rate, more risk to
>> data or something like tha
Michael wrote:
> On Wednesday 13 November 2024 23:10:10 GMT Dale wrote:
>> Howdy,
>>
>> One of my PVs is about 83% full. Time to add more space, soon anyway.
>> I try not to go past 90%. Anyway, I was looking at hard drives and
>> noticed something new. I think I saw one a while back but didn't
Matt Jolly wrote:
> Hi Dale,
>
>> My question is this. Given they cost about $20 more, from what I've
>> found anyway, is it worth it? Is there a downside to this new set of
>> heads being added? I'm thinking a higher failure rate, more risk to
>> data or something like that. I think this is a
On Wednesday 13 November 2024 23:10:10 GMT Dale wrote:
> Howdy,
>
> One of my PVs is about 83% full. Time to add more space, soon anyway.
> I try not to go past 90%. Anyway, I was looking at hard drives and
> noticed something new. I think I saw one a while back but didn't look
> into it at the
On 13/11/2024 23:10, Dale wrote:
My question is this. Given they cost about $20 more, from what I've
found anyway, is it worth it? Is there a downside to this new set of
heads being added? I'm thinking a higher failure rate, more risk to
data or something like that. I think this is a fairly n
Hi Dale,
My question is this. Given they cost about $20 more, from what I've
found anyway, is it worth it? Is there a downside to this new set of
heads being added? I'm thinking a higher failure rate, more risk to
data or something like that. I think this is a fairly new thing, last
couple y
Howdy,
One of my PVs is about 83% full. Time to add more space, soon anyway.
I try not to go past 90%. Anyway, I was looking at hard drives and
noticed something new. I think I saw one a while back but didn't look
into it at the time. I'm looking at 18TB drives, right now. Some new
Seagate dr
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