I have a file server that I've basically maxed out the drive bays for. At the
moment, I'm running Nexenta on an SSD that is sort of resting on something else
in the case. I was wondering if, instead, I could install Nexenta on a SATA
Disk on Module (DOM), say something like 4 GB, dual channel,
Thanks for the link; as a result, I learned how to use dd to get some better
data on transfer rates, which was extremely helpful. I guess you can fit the
card in standard PCIe slot with some spacers, but does anyone have any specific
info on this?
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Thanks to the help from many people on this board, I finally got my
OpenSolaris-based NAS box up and running.
I have a Dell T410 with a Xeon E5504 2.0 GHz (Nehalem) quad-core processor, 8
GB of RAM. I have six 2TB Hitachi Deskstar (HD32000IDK/7K) SATA drives, set up
as stripes across three
Has anyone bought one of these cards recently? It seems to list for around $170
at various places, which seems like quite a decent deal. But no well-known
reputable vendor I know seems to sell these, and I want to be able to have
someone backing the sale if something isn't perfect. Where do you
I've been running OpenSolaris on my Dell Precision Workstation T7500 for 9
months, and it works great. It's my default desktop operating system, and I've
had zero problems with hardware compatibility.
I also have installed EON 0.600 on my Dell PowerEdge T410 (not so different
from your R510).
I ran fmdump -eV dump.txt, and opened the 64 MB text file. What should I be
looking for?
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I have one corrupt file in my rpool, but when I run zpool status -v, I don't
get a filename, just an address. Any idea how to fix this? Here's the output:
p...@dellt7500:~# zpool status -v rpool
pool: rpool
state: ONLINE
status: One or more devices has experienced an error resulting in data
Actually, no. I could care less about incrementals, and multivolume handling.
My purpose is to have occasional, long-term archival backup of big experimental
data sets. The challenge is keeping everything organized, and readable several
years later, where I only need to recall a small subset of
Oooh... Good call!
I scrubbed the pool twice, then it showed a real filename from an old snapshot
that I had attempted to delete before (like a month ago), and gave an error,
which I subsequently forgot about. I deleted the snapshot and cleaned up a few
other snaphots, cleared the error,
I'm running a mirrored pair of 2 TB SATA drives as my data storage drives on my
home workstation, a Core i7-based machine with 10 GB of RAM. I recently added a
sandforce-based 60 GB SSD (OCZ Vertex 2, NOT the pro version) as an L2ARC to
the single mirrored pair. I'm running B134, with ZFS pool
Has anyone looked into the new LTFS on LTO-5 for tape backups? Any idea how
this would work with ZFS? I'm presuming ZFS send / receive are not going to
work. But it seems rather appealing to have the metadata properly with the
data, and being able to browse files directly instead of having to
Thanks for the info!
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So I've tried both the ASUS U3S6, and the Koutech IO-PESA-A230R, recommended by
the helpful blog:
http://blog.zorinaq.com/?e=10
In BOTH cases, the SSD appears in the card's BIOS screen at bootup, so that the
card sees it and recognizes it properly.
I'm running EON 0.60 (SNV130), and once I
Thanks for all of the help.
I now have the Asus U3S6 installed. There are two SATA ports on the board, and
I've plugged one into the CD-ROM drive, and the other for my SSD being used as
an L2ARC. Upon booting the machine, I get the message:
Marvell 88SE91xx Adapter, BIOS version 0.0.1012
It
Thanks! I just need the SATA part for the SSD serving as my L2ARC. Could care
less about PATA, and have no USB3 peripherals, anyway. I'll let everyone know
how it works!
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I'm wanting to fire up a new SSD for an L2ARC on a ZFS box I've put together,
and was looking at some of the new drives. Many of the faster ones, with great
read speeds, are SATA-6G compatible, and I'm wondering if any of you has gotten
these cards to work.
In particular, the Asus U3S6:
Thanks to everyone for such helpful and detailed answers. Contrary to some of
the trolls in other threads, I've had a fantastic experience here, and am
grateful to the community.
Based on the feedback, I'll upgrade my machine to 8 GB of RAM. I only have two
slots on the motherboard, and either
Another question on SSDs in terms of performance vs. capacity.
Between $150 and $200, there are at least three SSDs that would fit the rough
specifications for the L2ARC on my system:
1. Crucial C300, 64 GB: $150: medium performance, medium capacity.
2. OCZ Vertex 2, 50 GB: $180: higher
I'm putting together a new server, based on a Dell PowerEdge T410.
I have simple SAS controller, with six 2TB Hitachi DeskStar 7200 RPM SATA
drives. The processor is a quad-core 2 GHz Core i7-based Xeon.
I will run the drives as one set of three mirror pairs striped together, for 6
TB of
So I think you're right. With the ATA option, I can see the pci-ide driver.
However, there is no AHCI option; the only other two are off (obviously
useless) and RAID. The RAID option gives control over to the RAID
controller on the motherboard. However, there is nothing I can do in terms of
From: zfs-discuss-boun...@opensolaris.org
[mailto:zfs-discuss-
boun...@opensolaris.org] On Behalf Of
valrh...@gmail.com
So I think you're right. With the ATA option, I
can see the pci-ide
driver.
Um, if you'd like to carry on a conversatin, you'll
have to better at
quoting
I've today set up a new fileserver using EON 0.600 (based on SNV130). I'm now
copying files between mirrors, and the performance is slower than I had hoped.
I am trying to figure out what to do to make things a bit faster in terms of
performance. Thanks in advance for reading, and sharing any
Are you going to use this machine as a fileserver, at least the OpenSolaris
part? You might consider trying EON storage (http://eonstorage.blogspot.com/),
which just runs on a CD. If that's all you need, then you don't have to worry
about partitioning around Windows, since Windows won't be able
A theoretical question on how ZFS works, for the experts on this board.
I am wondering about how and where ZFS puts the physical data on a mechanical
hard drive. In the past, I have spent lots of money on 15K rpm SCSI and then
SAS drives, which of course have great performance. However, given
Someone correct me if I'm wrong, but it could just be a coincidence. That is,
perhaps the data that you copied happens to lead to a dedup ratio relative to
the data that's already on there. You could test this out by copying a few
gigabytes of data you know is unique (like maybe a DVD video
Does this work with dedup? If you have a deduped pool and send it to a file,
will it reflect the smaller size, or will this rehydrate things first?
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How does this work with an incremental backup?
Right now, I do my incremental backup with:
zfs send -R -i p...@snapshot1 p...@snapshot2 | ssh r...@192.168.1.200 zfs
receive -dF destination_pool
Does it make sense to put a -D in there, and if so, where? THanks!
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Freddie: I think you understand my intent correctly.
This is not about a perfect backup system. The point is that I have hundreds of
DVDs that I don't particularly want to sort out, but they are pretty useless
from a management standpoint in their current form. ZFS + dedup would be the
way to
One of the great privileges of using OpenSolaris is the helpfulness and deep
knowledge of the community. Thanks for the suggestions.
I cleared out /var/pkg/downloads, and got back a couple of gigabytes. I've
enabled compress and dedup.
Is there a simple set of commands that I could send that
One of the most useful things I've found with ZFS dedup (way to go Jeff Bonwick
and Co.!) is the ability to consolidate backups. I had six different complete
backups of all of my files spread out over various hard drives, and dedup
allowed me to consolidate them into something that took less
I am running my root pool on a 60 GB SLC SSD (OCZ Agility EX). At present, my
rpool/ROOT has no compression, and no deduplication. I was wondering about
whether it would be a good idea, from a performance and data integrity
standpoint, to use one, the other, or both, on the root pool. My
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