Questions tagged [hotswap]
Hot swapping is replacing components without significant interruption to the operation of the system.
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How do I make Linux recognize a new SATA /dev/sda drive I hot swapped in without rebooting?
Hot swapping out a failed SATA /dev/sda drive worked fine, but when I went to swap in a new drive, it wasn't recognized:
[root@fs-2 ~]# tail -18 /var/log/messages
May 5 16:54:35 fs-2 kernel: ata1: ...
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In which order do I plug the SATA power and data cables for hotplug?
I’ve found diverging instructions on the ’net about this.
To recap: SATA with the 4-pin Molex (white) power plug is not hot-pluggable, but either the wide connector or the separate (15-pin power and ...
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How can I tell if the server supports hot-swapping drives?
I recently purchased a used server (the type that fits into a rack, rather than a free-standing machine). One nice feature, is rather than having to open up the cover and unscrew the harddrives, this ...
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Hot-remove memory in a Linux virtual machine
Linux supports hot-adding memory when running as a VM guest, in VMware for example. (Sometimes you need to manually inform the guest OS.)
Is there a safe way to do the inverse operation — reducing ...
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Can I hot-swap a 2-PSU server from 120 to 240 volts?
I'm migrating a server with 2 PSUs from 120 volts to 240 volts, and I'd rather not take it offline. It seems like I should be able to just move the PSUs to the new voltage one at a time, since they ...
user348965
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Hot-swap drive got new name. If I add it back to the `md` array and it gets renamed on reboot, will the array still work?
One of the HDDs in my server's RAID config failed, so I took it out of the array and had the data center hot-swap it. They've done that, but now the new drive is /dev/sdc rather than /dev/sda. I ...
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Can I just remove a disk from a live RAID 1 array?
I've read the story about the manager taking out a disk from a RAID 5 array, and then a second one, but I’d just like to try out for myself what happens when I simply disconnect a disk from a live ...
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Rubber rectangle with one adhesive side + server mount
I bought a new 2.5" hard drive that i put into a 1u server. I first screwed it into the hot swappable mount with screws then plugged it in. The hot swappable mount (image attached) came with a little ...
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Are all SAS drives hot-swappable?
Can get a 300GB Cheetah 15K SAS 3.5 disk for quite a bit cheaper through another supplier vs. Dell's out-of-warranty depot (for an aging PowerEdge server). Specs are identical, wondering if there's ...
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Backup options for a small business server
I'd like to create a server suitable for having a hot-spare disk, plus the capability to create full backup for removal off-site, say once a week.
I am considering the HP ProLiant DL160 G6 (with hot ...
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Can any hard drive of the same format be put into a hot-swap tray?
I'm looking at buying a hot-swap NAS that supports SATA/SATA II hard drives. Can I get any SATA drive and put it into the hot-swap trays it comes with, or will I need to find a certain kind of drive?
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Proliant DL360 Raid5 Hot Swap Drive
I have a DL360 G5 running WinSrvr2003 with a 3 drive (72GB) SAS Raid 5 array on P400i controller. The single array has two partitions. (OS and a data store) Drive 2 has failed and is off line (Amber ...
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Is it Possible to Automatically Resilver a ZFS Array On Hotswap
I'm trying to learn about ZFS for a NAS I'm planning on building. I'm trying to understand if the following scenario would be possible to set up. Disclaimer: I know very little about ZFS, so forgive ...
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Enabling AHCI in RHEL5 post-install
I have two servers running RHEL 5.4 quite happily. However, through simple oversight, AHCI/hotswap support was not enabled in BIOS at install time and is now needed. The machines are running ICH10R ...
user21066
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How can I have Linux execute a bash script when a specific disk is hotswapped in?
I have a set of hard drives which are rotated for offsite backup. There are several steps that need to be performed when one of the disks is reinserted which I've rolled into a simple bash script. I'...
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RAM hot-add HP Proliant - Esxi
I have to add some RAM to my HP Proliant DL385 g7 and I was wondering if I can hot-add the memory due to some mission critical VMs that I can't move because of lack of hardware. I use ESXi 5.5 as HV. ...
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How do I power SATA drives in my DELL poweredge 2850?
I have a Dell 2850 which I've been fairly happy with. It runs RAID 5 to 6 Hot-swap SCSI drives, but I'd like to add some cheap storage. So I bought an Intel PCI-X SATA raid card and tried to install ...
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HDD with HP Proliant ML310e
I recently purchased a HP Proliant ML310e off PCNation.com as it seemed like a great deal. Come to find out, when I go to open up the case and install HDDs, the system is equiped with a hot-plug/hot-...
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Can a failed SAS10K be hotswapped with a SAS15K?
I have a Dell Poweredge 1950 with 4 146Gb SAS 10K configured in RAID 10. One of em failed. Is it possible to hotswap it with a 146Gb+ SAS 15K (which i plan to nab from an unused HP proliant) ?
If yes,...
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Can I increase my Dell RAID 1 from 250GB to 500GB just by plugging in larger drives?
I have a Dell PowerEdge R300 with a Dell SAS 6/iR Internal Controller RAID PCIe and two 250GB SATA HDDs in RAID1 configuration. One of the HDDs has died so I want to swap it out for another. At the ...
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Hot swapping under RAID 1
I have a server that supports hot swapping (such as HP ProLiant DL160 G6 with hot swap) (spec) and I configure it for RAID 1 mirroring across 2 disks.
Say one of the raid'ed disks then fails. Can I ...
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Dell PowerEdge T520, PERC H310 RAID 1, can I hot swap a HDD without shutting down the server?
I have a Dell Poweredge T520 running Win Server 2008 Rc2 with a PERC H310 RAID Controller. Two 15000 rpm 600GB hard drives setup in RAID 1. One drive is rapid flashing orange indicating failure. Can I ...
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How to power off a hard drive to essentially "hot swap"
I'm looking for either freeware or the programming basics to power off/on a hard drive. Mounting and unmounting a hard drive is simple enough just using the command prompt in Windows XP. Now I need ...
Brandon
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Why is hotswap so much more expensive?
I am currently looking a building a server, and am comparing hardware. In particular I have been looking at hard drives. It seems like hotswap hard drives are significantly more expensive than normal ...
Sam Lee
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Adding more drives to a drive array
I have a friend who has two servers, a Dell 1800 and an HP 350 ML G5, both have SAS drive arrays. The Dell is a 3.5" and the HP is a 2.5".
They currently only have 3 drives in each array. We want ...
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Solaris: detect hotswap SATA disk insert
What's the method used on Solaris to get the system to rescan for new disks that have been hot-plugged on a SATA controller?
I've got an HP X1600 NAS which had 9 drives configred in a ZFS pool. I've ...
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Xen find VBD id for physical disks
I'm starting a xen domU using xm create config.cfg. Within the config file are a number of physical block devices (LVs) which are added to the guest and can be accessed fine when it boots. However, at ...
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Hotplug vs. non-hot plug disks
I have more or less hardware question related to hotplug or non-hotplug hdd. I plan to get HP P2000 G3 FC/iSCSI storage system, and I was going to order the disks. One costs 300eur.. So my question
1)...
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What is the purpose of /sys/block/sd?/device/rescan?
I need to "rescan" the SATA bus of our Linux server in search of a hotplug device that doesn't show up. I've seen an old question on the topic (How do I make Linux recognize a new SATA /dev/...
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hp smart array p400 - failed disk - hot spare
I am having an issue with a failed disk in a HP DL380 G5 smart array p400.
The array setup is RAID 5, 7 disks + hot spare.
One disk failed some weeks ago and the hot spare automatically took over, ...
Rikard Johansson
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1
answer
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How to make Solaris rescan disk info after hotswap?
I'm running a SmartOS-based ZFS NAS, with a bunch of SATA disks directly connected to the logic board (no fancy disk controller / backplane or anything).
A 1.5 TB disk in my zpool recently failed. ...
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Hot swap failed software RAID drive with Windows Server 2008
Does Win2k8 natively handle hot-swapping of a hard drive?
I have an existing server with 2 hard drives in it that are currently setup in a hardware RAID-1 configuration; they are each hot-swappable. ...
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Best practice on hot-swapping disk
I've been putting myself to find an learn more about the product before posting a question. Well, I've tried my luck and didn't got a proper answer to my questions. So I'm posting it here.
Had an ...
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sata controller without raid support
I'm looking for a 4 ports pci or pci-express (not pci-x) sata controller with these features:
- real hot swap support
- no RAID support, or with RAID support that can be disabled through the ...
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Supermicro: New NVMe is not detected properly
We have a Supermicro SuperServer 2029U-TN24R4T with currently 8 U.2 NVMe drives (Samsung PM1725a 1.6 TB) running on CentOS 7 with kernel 5.0.10-1.el7.elrepo.x86_64. After adding a new one (PM1725b 1.6 ...
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nexenta and hotswap sas disks. cfgadm not working properly
There is a problem with the hot-swap SAS drives.
Initial data:
Nexenta 4.0.2
Server-based Supermicro (MB S5520HC, internal RAID controller RMS2LL080/LSI 2008), 12 HDD SAS 300G 10 HDD SATA 1T, 2 SSD ...
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Can I use SATA discs as a hot swap discs
My server supports hardware RAID and it can use SATA drives.
I wonder does it depend on Server or on a Discs to know, if they support hot swapping?
And rebuilding while working?
I know that SAS ...
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Are there any tricks for installing a hot swap drive in a Poweredge 2900
I just bought a bought a couple of new drives from Dell for a Poweredge 2900 server. I installed them in the hot swap caddy and am attempting to install.
My understanding is I can just remove the ...
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Using Hot swap drive to backup on daily basis
Hot swapping and hot plugging are terms used to describe the functions of replacing computer system components without shutting down the system. In all the articles it was mentioned during some system ...
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How "swappable" are RAID 1 drives?
My lab is considering setting up a server with an attached RAID device for storing our large imaging datasets. (probably a Mac Mini server with attached Promise SmartStor DAS w/ 4 1TB hard drives)
...
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MD3000i Hot Swap Drives
Are the drives needing to be hotswappable or does the SAN understand hotswap of any SATA/SAS drive?
MDI
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When ordering SAS replacement drive, does the hot swappable enclosure matter?
I have a dell PowerEdge and need to replace one of the SAS drives in it. I noticed the supplier I order from does not sell a specific "DELL" SAS replacement drive, but they have what appear to be ...
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What could prevent hdd hot-swap in linux ahci?
I'm tearing my hair out over this issue.
I wanted to add a hotswap bay to my homeserver to easily add and remove HDD such as to easily rotate off-site backups. The mainboard in question is an Asrock ...
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Two failed disks in a RAID 10 Array. One hot-spare, active. What's the replacement sequence?
Given a hot-swappable 15 spindle RAID 10 array with two failed disks. There is one global hot spare, and it is actively "sparing" the first of the two failed disks. The array is running, but has no ...
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Safely remove a drive from eSATA hotswapable enclosure?
I have recently installed a Rosewill RSV-S5 eSATA RAID array on a Windows 2000 Server. I'm not using any RAID features - it is configured as 5 discrete drives (JBOD).
The system is based on the ...
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Can the Megaraid 2208 mirrored root disks be hot swapped?
I've inherited a Supermicro SMC2208 RAID. The root drive (on which the OS is installed) is two RAID1 mirrored Intel SSDSC2CW240A3 240GB drives ... one of which is reporting as bad.
Controller ID: 0 ...
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Inserting new disks into an HP Proliant DL360 G7 while running
The documentation for my HP Proliant DL360 G7 says I can hot-swap phsyical disks in existing RAID sets. It doesn't say anything about inserting new physical disks and creating new logical disks while ...
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Remove sata drive while running?
I have a hyperv 2012 r2 server, and the case has two bays where you can open a drawer and slide in a bare SATA drive. Theres a data and power connector at the back of the bay with cables to connect ...
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Hot Swappable Root Partition in Ubuntu Server 10.04 LTS
My company runs small NAS boxes that we distribute into businesses and homes for personal or business networking use. These machines run Ubuntu Server 10.04 and are set to boot from a flash drive. The ...
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Hot swapping for Linux web/database servers
Is there a way to perform the following under Linux:
There are two web servers, main and backup
There are two database servers (postgres), main and backup
Web Servers are in sync with each other, ie. ...