Apple offers a couple of software raid solutions for people interested in either creating a larger disk out of two, or mirroring two disks together for data redundancy in the event of a drive failure. If you dont, you rebuild the raid using the disk utility app. All you need to do is power down the array, replace the dead drive, then power the array back on. Now we need to create partitions on the new drive with the exact replica of the other drive devcsda as it is raid1. Although they are easy to use, preconfigured raid drives are clear compromises.
Apple usb superdrive troubleshooting, repair, and service manuals. You might have heard about the popular graid drive from gtechnology, or even any of the popular drives from lacie, which apple sells at their retail stores. The array should have been perhaps a backup for the originals, i. Mac raid recovery and repair by hard drive recovery group. Just pull the amber drive wait 10 secs and reseat it back in the bay about 10 secs later it should start a rebuild if it goes back to amber and the rebuild fails its a bad drive. High sierra installation on existing raid 0 array apple.
After the current rebuild is complete, remove one of the drives using remove. Actually i did the steps you mentioned above, but used disk utility instead of ccc to restore the system. Sep 02, 2009 apple offers a couple of software raid solutions for people interested in either creating a larger disk out of two, or mirroring two disks together for data redundancy in the event of a drive failure. If its a software raid you will be able to get the raid information with the builtin disk management tool, typically the disks will be dynamic and they will have the same drive letter and the windows raid tools will be available, if these are not there you definitely do not have software raid. How do i replace a broken drive in a qnap raid 5 setup.
The mac response centre in london, a leading apple mac repair store in the united kingdom, offers top quality apple mac hard drive upgrade and replacement services for your slow mac desktop and notebook computers. Use software update in system preferences to update a version already installed on the computer. I wonder why apple didnt choose the same path for software raids, if. Raid utility user guide 7 migrating an existing volume to a raid volume when you purchase a computer with the raid card installed but no solidstate drive, the startup disk is already configured as a single drive enhanced jbod raid set. The clone will have to be a sector by sector clone job since it. Maybe its died, is dying, or perhaps youve simply grown beyond its. Adding a new hard drive to raid1 software raid fails super user.
The graid drive, for example, cannot easily be opened up. Xserve raid is a costeffective answer to the growing storage requirements of businesses and institutions everywhere. Here is some details about the dell terminology you may encounter in the physical disk state section online. Raid hard disk replacement web and dedicated hosting. Boot with your windowsxp cdrom and install windows. This is a failure in the communication from the raid controller to the drive. For descriptions of raid levels and the types of arrays you can set up on an xserve raid system, see chapter 7, raid overview, and chapter 8, planning raid storage for the xserve raid system, in the xserve raid users guide. A missing raid1 mirror from the old disks and partition b. You can create a redundant array of independent disks raid set to optimize storage performance and increase reliability in case of a disk failure. Optiplex 9020intel rst raidwindows 10 dell community. If disk utility reports that the disk appears to be ok or has been repaired, youre done. Replace drive in a windows 7 raid 1 microsoft community.
Raid 5 stripe with distributed parity data is striped similar to raid 0, but unlike raid 0, each disk also contains parity data, which is used to rebuild your data should a disk fail. Mac pro server with 1x normal os drive and 2x 750gb data drives in a raid1 configuration. Xserve raid holds up to 14 hotswappable apple drive modules now with up to 10. How to replace the primary disk in software raid1 mirror. Maybe its died, is dying, or perhaps youve simply grown beyond its storage capacity and need a larger drive. I failed and removed 3tb drive from my raid array 2.
I tried to think ways to claim this space into better use and found your excellent instruction how to do it. Apr 10, 2019 if more than one user on your network will back up to this disk with time machine, you can use the secure shared disks popup menu to make sure that they can view only their own backups, not yours. Lacie 16tb 2big dock thunderbolt 3 raid storage,lacie 8tb 2big dock thunderbolt 3 raid storage. Use software update in system preferences to update a. As this is an old drive, id like to replace that particular drive first. I used softraid to setup a raid 1 of two internal sata drives on a mac mini. Basically you have to remove the drive via the softwarewebinterface first. The superdrive looks exactly the same as the apple 3. You can use disk utility if you, say, bought a multibay drive chassis and have filled it with spare hard drive mechanisms you had sitting in storage. Apple xservemac pro raid card battery repair ifixit. Choosing a drive that fits your budgets and does what you need is the first step.
I have lacie 2big thunderbolt 2disk device configured as a raid1 from disk utility. The ability to set up a software raid has returned to apples utility. Use the manuals from qnap link qnap manual replace raid. You can use a superdrive with the universal disk controller card, but you wont be able to use. If it is the older software based raid there is an option to rebuild within the raid assistant in disk utility as well.
Mar 20, 2018 to install the new drive in place of the old one, youll just reverse the process. Recovering from a failed drive with apples software raid. A failed hard drive in a dell server does not mean a bad drive. Replace the defective devsdd with a new one it should be in exact size with that of the old one. I too am a wedding photographer, i have a 4tb raid on fw800. Raid5 is easy to work with, especially since you know exactly what disk is dead. Now adding a third 500gb hard drive to the existing raidset with diskutil appleraid add member fails by showing me the following error message. Underneath the pretty aluminium box, apples raid card batteries are just bogstandard lithium polymer cells with some control gear. The rugged raid thunderbolt hard drive is available for purchase from beginning today, and ahead of the release, we went handson with it. Click update to restart your base station and apply the settings. If more than one user on your network will back up to this disk with time machine, you can use the secure shared disks popup menu to make sure that they can view only their own backups, not yours. How to replace failed hd in mac formatted graid with.
When we had to replace a failed drive in a clients macpro server with a hardware raid, we naturally did our research but we found a lot of conflicting advice and information on the internet. Raid systems and using disk utility to enhance hardware raid arrays. Mac pro server with 1x normal os drive and 2x 750gb data drives in a raid 1 configuration. Jun 17, 2008 removal of raid adator may or may not be applicable 5 disable raid plug in optical drive again. This means a drive is already a part of a raid array ready. Recovering a raid drive that wont mount macrumors forums. One of the drives appears as failed, so i unmounted the raid, replaced the drive and plugged it all back in. Now disk utility reports that one of the slices is missing from the raid, and it shows my new disk separately on the list to the left. Replace a failed disk in a disk utility raid 1 ask different. Oct 04, 2014 its irrelevant in the face of a drive failure, where theres no data to start with. How to replace the primary disk in software raid1 mirror in.
My initial hope was that one of the drives had failed and id be able to just replace that drive and the raid system would rebuild from the other drive. Put the new drive into the caddie, and then slide it into place on the case and secure it if necessary. How to configure a software raid in macos sierras disk. Readd the disk you pulled out back using repairmirror as a replacement. You can click show details to see more information about the repairs. First, add a new drive as a spare replace md0 and sdc1 with your raid and disk device, respectively. That is, if old drive is 1tb then the new one should also be 1tb once the defective drive is replaced boot up the server.
Hello, i have a dell poweredge 1900 in a raid 5 configuration running sbs2003. Raid 5 has the best combination of speed, safety and disk capacity. About 3 weeks ago one of our drive from xraid failed 5 disks with raid 5 and only today i got the replacement drive we ordered 4 for bad scenarios. Raid utility user guide 7 migrating an existing volume to a raid volume when you purchase a computer with the raid card installed but no solidstate drive, the startup disk is already configured as a singledrive enhanced jbod raid set.
Remove missing disk from apple raid apple community. A hard drive upgrade is one of the easiest ways to improve your pc, whether youre looking for more storage or the speed boost an ssd provides. Raid 1 just copies the same data to two or more drives at the same time, its only for mission critical data loss requirements where a drive failure during writing would be catastrophic. Im starting to fill up the space on the data drives and would like to replace the array with a set of 2tb drives. The rest of your imac is still working great, but the time has come to replace the hard drive inside your imac. High sierra installation on existing raid 0 array 34181 views 44 replies. How to replace and upgrade a macbook pro hard disk.
Repair a storage device in disk utility on mac apple support. To install or update raid admin on a monitoring computer, do one of the following. Replacing a hard drive in an macpro with apples raid card. When faced with what appears to be a catastrophic mac raid configuration error, most users, professional system administrators or not, will first assume that mac raid repair software is available to fix the array. Add added a new member, but the failed drive is still in a failed state. Im wondering if its because this is a raid 0 array and both drives need to be in there for the computer to work right. Apple mac hard drive upgrade mac replacement hard drives. One of the core gains of raid is protection against data loss in the event of hard disc failure. Raid 4 should be used instead of raid 5 if you are using ssds for your volume.
One of the drives failed and instead of taking the drive offline first i just pulled the bad drive out and put in a. Recovering from a failed drive with apple s software raid update. Rebuilding a degraded software mirrored raid array cnet. I have several systems in place to monitor the health of my raid among other things. How to rebuild raid sets properly in snow leopard techrepublic. This article provides instructions to rebuild a raid 1 using the mac os terminal. When failure does occur however its important to ensure that the act of replacing the failed drive does not itself risk loss of data or create outages. Basically you have to remove the drive via the software webinterface first.
I have had drive fail and the desktop stays running, although degraded, until i replace with the same model where the drive rebuilt and everything. Create a disk set using disk utility on mac apple support. How to configure a software raid in macos sierras disk utility. Im happy to report you can correctly rebuild raids in disk utility on 10. This means the drive contains some raid metadata coming from an old raid array the disk used to be a part of. I want to replace the drive with two new drives that i bough, but i dont want to lose all my data. While software will provide the appropriate fix for many mac issues, data recovery is not one of them. Seems like raid isnt supported as a boot volume and that mac pros apple hardware raid 5 drive isnt supported at all in 10. Its irrelevant in the face of a drive failure, where theres no data to start with. Backup disks you can use with time machine apple support. Or you already have a raid array and need to reconfigure it. Note that to a given raid level nested or not, the hardware youre using must. How to upgrade and install a new hard drive or ssd in your pc. If a disk in a disk set on mac fails or is missing apple support.
You can also create a set that concatenates smaller disks to act as one larger disk. Do i just pull the drive, replace and boot up or do need to go into the raid bios. When they fail after a year or two in service you can bet the youll fork out to replace it that the cell isnt dead, but instead has got itself into a stuck state where the raid card is confused about what to do with it. It gives me entire drive protection all partitions as opposed to microsoft software raid which only protects the current system drive and up until i upgraded to windows 10 has worked flawlessly. Raid is an acronym for redundant array of independent disks, which is a storage method that combines multiple physical disk drives into one virtual drive. You can convert this raid set, along with one, two, or three other drives, to a raid volume. Raid 10 requires four drives, with each pair of drives first being mirrored raid 1, then striped raid 0.
Some time ago i added 3tb drive to 4x2tb raid array and did not set partition table to gpt almost 1tb wasted as unused space. Oct 08, 2009 i too am a wedding photographer, i have a 4tb raid on fw800. If youre adding a new hard drive and leaving the old one in. Insert the xserve raid admin tools disc in the optical drive of the monitoring computer and copy the folder raid admin to that computer. If disk utility tells you the disk is about to fail, back up your data and replace the diskyou cant repair it. It will then kick you back to disk utility and start rebuilding the raid. Heres how to set up and configure a software raid using macos sierras disk utility. There are only three sata ports in my system and they are all in use with the three drives.
You cant just take two disks in an apple software raid and add them to a linux software raid or a promise hardware raid. Oct 18, 2008 unlike raid 1 where you pop a new drive in, you can try but its never a sure thing to clone that drive to the new one and boot up. Sep 26, 2017 never knew about this problem installing 10. How to replace a failed harddrive in a software raid 1 array. An external optical drive by apple, essentially a rebranding of the macbook air superdrive.
Also, if the failed disk remains on the list, you can remove it. My question remains to just replace the drive as the raid appears as degraded from the raid admin. Ready to be used either in a raid array or as a hotspare etc foreign. A dynamic disk but without any mirror from the new disk 11 shutdown the server now, and insert the secondary disk of raid1, then bootup the server. Using xserve raid and disk utility manual apple support. We offer quick hard drive upgrade and replacement services with sameday turnaround time or while you wait for mac pro, mac mini, imac. If you see a message that a disk is missing or has failed, there are several things you. Unlike raid 1 where you pop a new drive in, you can try but its never a sure thing to clone that drive to the new one and boot up.