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925 TopicsReadyNAS 312 Need Help Understanding Snapshots
We're about to pull the trigger on a ReadyNAS 312 with either two 2TB or 4TB drives. We have about 290GB of data files. Ideally we'd like to have daily snapshots, but I'm unsure how much data a snapshot takes. If I go daily, does that mean each snapshot will have 290GB of data in it, and I'd get about 5 snapshots before pruning started? Thank you.31KViews0likes33CommentsSystem volume 'root' usage is 100% and /dev/md0 is full
Hello, I recently started getting notifications that my system volume 'root' usage is 100% I've gone through all of the files and it seems the culprit is /dev/md0 I have no add-ons installed, and this NAS is specifically used as a backup of another NAS. It uses ReadyNAS Replicate for backups. Here's the output from df-h and df-i I've already tried commands similar to these: du -csh /var du -csh /var/* And the problem does not seem to be in those directories. Very low usage there. This error started appearing on the day that I got a copy failed error from ReadyNAS Replicate that gave me an Exit Code: 11 (Error in file I/O) Can someone help me fix this?Solved24KViews0likes9CommentsWe Choose ReadyNAS for its Performance - DID Technology #CaseStudy
NETGEAR Business products are used around the world for small and medium businesses. The NETGEAR Business development team reaches out to our customers to understand how our products are used by end-customers. We discovered some awesome people and great uses cases to share with NETGEAR Community. DID Technology is an audiovisual, broadcasting, multimedia and IT Solutions integrator in Seine-Saint-Denis, France. The company’s three main areas are sales of products and solutions, rental of post-production equipment, and related services including telephone support, on-site interventions, maintenance contracts, etc. DID always puts customer satisfaction before anything else. Recently one of their customers Monaco-based Channel D8 was successful enough to need an exponential boost to their on-site storage for video. DID selected the ReadyNAS 4360 60 bay 4U rack-mounted NAS Storage to manage massive quantities of 4K video and production assets. “There are a number of reasons why we selected the NETGEAR ReadyNAS. We chose it primarily for its performance, particularly at the network level, as well as for the space that it saves, its excellent value for money, and last but not least for the warranty coverage and the effective NETGEAR support teams,” says Sébastien Collin, President of DID Technology. “We choose technologies that will enable our customers to be more effective in their business and become the most competitive in the market.” Download the DID and NETGEAR Case Study Did your business have a positive experience with NETGEAR Insight Management or another NETGEAR Business product? Leave us a note!23KViews1like1CommentOS6 Data Recovery - How to Mount BTRFS Volumes
I recently purchased a ReadyNAS 314 and 5 Seagate ST2000VN000 hard disks (one as a cold spare). I work as a system administrator, so I've been reading up on OS6 before I entrust this new system with my data. I'm not very comfortable using BTRFS since it seems to still be a little buggy and I don't need snapshots. But since that's the direction Netgear chose to go, I'd like to give it a fair chance. The older generation of devices had several excellent web sites with detailed data recovery instructions for situations involving hardware failures. Usually, this involved removing the hard disks and connecting them to a desktop, then booting into a version of Linux and mounting the array using the familiar ext4/LVM tools. I've been searching through the forums and Googling for an updated version, but there don't seem to be any recovery instructions for the new generation. I've seen a lot of discussion about BTRFS including some comments that make me quite concerned. As mangrove stated in thread 419088 "It should also be said that for EXT solutions, there are restore tools available which you run from a computer. So if the unit fails and you need to get data back, you can without having to buy an identical unit. This is much harder though. This is impossible with OS6 units as BTRFS is not well supported by restore software." I'm sure this is paranoid of me, but before I start to trust this device with 4 Tb of data, which is time consuming and difficult to back up in multiple places, I need to know I can access the data if the proprietary hardware fails. The situation I'm thinking of is the ReadyNAS works fine for about 6 years, then the mainboard fails. It's out of warranty, there are no replacement parts and the newer models can't read the volumes due to data structure changes. The disks are fine, the data is there, but it can't be accessed without mounting the disks on a different machine. Option 1 - Test data recovery using the current OS 6.1.6 build and a spare desktop. Set up the array in the normal way using OS6 tools, save some test data on it, then shut it down and take the disks out. Figure out how to mount the disks and access the volume by connecting them to the desktop and installing the appropriate Linux/kernel/disk tools on a separate disk. Once this is working, create a small Linux build on a thumb drive that is pre-configured to mount up the disks properly. My preferred configuration would be Flex-RAID set up in RAID6. But I'll test Flex-RAID in RAID5 and XRaid2 if I have time. If that can be done, then I'll go ahead and use the system and just keep an updated version of the recovery thumb drive handy (updated to match each new build of OS6). I'm not here on the forum to ask someone to do this for me. Since I happen to have a new ReadyNAS 314 with blank hard disks and a spare desktop sitting around, I'm happy to roll up my sleeves and test it myself. I'm not a Linux guru, but the command line doesn't scare me. And at this point, I'm not risking any real data and this will allow me to have my recovery solution already built and ready to go. I'll post the results here in the forum for others, since there doesn't seem to be a definitive solution out there (or if someone can point me to one that already exists? Thanks! I can try that out first and save time!) What I'm here to ask for, since there are so many very experienced ReadyNAS Jedis, is for some background on the data structure so I can get started. What I need to know is the following: 1 Which OS would be best to access the data? It appears that Debian is the core of OS6, but which build/kernel should be used? [list=2:f5h9ejz4]2 Which tools are needed for testing/repairing/mounting the BTRFS filesystem? [list=3:f5h9ejz4]3 A general overview of how the volumes are arranged (ie. it's not LVM anymore, so what is it?) [list=4:f5h9ejz4]4 Specific settings to be aware of that might not be standard in the vanilla Linux configuration (ie. block sizes? other things I don't know about at all) [list=5:f5h9ejz4]5 Gotchas or special hazards to watch out for when working with BTRFS. I'm really not familiar with it. [list=6:f5h9ejz4]6 Which log files show success or failure and which command-line commands can test the volume and data. This doesn't have to be super detailed or line-by-line. Just let me know the basics and I can look up the syntax and details in the man pages or online. I'm sure it'll blow up on me at least the first few times and I'll be back on this thread with the output and more questions when I get stuck. :shock: Option 2 - Work on a way to change the file structure to the old-style EXT4/LVM so the older generation recovery process works. Yes, I understand that this is not supported and would have to be painfully redone after every OS version upgrade, but it might be a (tedious) solution. Just a quick note on what I'm planning to do with this unit - I just need to use iSCSI to connect it to a CentOS 6 virtual server running on VMware. That server will provide all the file management, permissions and network services. I just need OS6 to provide iSCSI connectivity, basic hardware monitoring and UPS-triggered safe shutdown (I think the APC Network Shutdown 3.1 Linux software will work - I'll test that also). The primary role for the ReadyNAS will be to provide centralized backup to another NAS and various servers. Some of the servers will backup and store data from the desktops that will also be backed up to the ReadyNAS. I know this probably sounds like belt, suspenders and a flak jacket, but data integrity is a big deal with me. I'm hoping that what I find out will be useful to other people if they have a data access problems (or system meltdown). Plus, since system administration is my day job, this is kind of a scale model of my work system and should be good training as well (score!) :D Thanks in advance to all the ReadyNAS experts out there for your time and assistance. I know I'm asking for a lot, but I'll share what I find out in return. Please be patient - I have a little Linux experience, but mostly at the power-user level so I'm weak in some of the admin areas. (Yeah, yeah, I do Windows system administration :( - stop snickering) Stan23KViews1like33CommentsMixing drive makes/models within a NAS
firmware 6.7.4 readynas 2120 I have my nas configured as a raid 5 (4 disk, 2tb/disk). I need to expand my storage capacity. I was going to put in 4tb hard drives. My plan was to pull out 1 of 2tb disks, replace it with the a 4tb, wait for the NAS to sync and then repeat the process with the other 3 disks. As I understand it, once the last disk is installed and synced then and only then will my storage capacity increase, correct? 2nd question, I see that this has been asked before, but I wanted to ask again. I currently have 1----4tb hard drive, Seagate 5900rpm 4TB NAS HDD SATA 64MB Cache 3.5-Inch Internal Bare Drive (ST4000VN000) Would it be a problem to get 3 more drives that were different brands, but same capacity? I was looking at either the Seagate 5900 4TB IronWolf NAS SATA 6Gb/s NCQ 64MB Cache 3.5-Inch Internal Hard Drive (ST4000VN008 Or WD Red 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40EFRX19KViews0likes16CommentsRecover files using Linux
Hi All, I had a problem with the NAS and I am doing the possible to recover some of the files connecting the disks to a Linux System. I used the following commands as suggested in another discussion: # mdadm --assemble --scan # cat /proc/mdstat # mount -t btrfs -o ro /dev/md127 /mnt # cat /proc/mdstat gives me the following output: Personalities : [raid1] [raid6] [raid5] [raid4] md127 : active (auto-read-only) raid5 sdd4[6] sdb5[5] sda5[4] sdc4[3] 1992186528 blocks super 1.2 level 5, 32k chunk, algorithm 2 [4/4] [UUUU] md0 : active (auto-read-only) raid1 sdd1[4] sdc1[5] sda1[7] 4190208 blocks super 1.2 [4/3] [UUU_] unused devices: <none> While mount -t btrfs -o ro /dev/md127 /mnt Gives: mount: wrong fs type, bad option, bad superblock on /dev/md127, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so. I am stuck on this. Has someone any idea please? Can I mount in someway each single disk to access the files? Thank youSolved18KViews0likes25CommentsVolume operations causing slowness across SMB
Greetings! I'm trying to understand the behavior that I'm experiencing, whether or not its expected and most importantly, how can I improve it. We are a graphic design shop. We use a lot of Adobe Illustrator files (*.ai, *.eps, *.pdf, etc.) that range from just a few hundred KB all the way up to 4GB per file. The problem that we have experienced is opening those said files, editing them and then saving them back to the NAS, using Illustrator. I understand that this takes time even if the file was on the local machine however, occasionally when saving back to the NAS, other users that are using the NAS will report slower than usual file/directory access (SMB). Once the file finishes saving, the issue goes away. When I look performance graphs within the webUI of the NAS, during business hours, the average is probably under 200 operations per second, with occasional spikes between 500-600 operations per second maybe 2-3 times a day, if that. I would not expect this to be considered high utilization. I have snapshots occurring only x2 a day (12am and 12pm) and the users are not complaining about this during those times. That said, here is a screenshot from the last occurrence when this happened. Business hours are between 7am-5pm so anything outside of this timeframe is more than likely a backup of some sort. I'm specifically looking at what is going on just before 10am. → Do you think the NAS is really being pushed? I don't but I need to be sure. → How can I improve this experience? Thanks in advance! Nick16KViews0likes22CommentsOS 6.4.1 slow ... to the point of unusable
We just upgraded an RN102 to 6.4.1, which intially seemed to fix some backup issues we'd been working around, however we've just downgraded to 6.4.0 after seeing 6.4.1 being too slow to be usable (the downgrade fixed this issue). By slow I mean in navigating file trees and serving files. Has anyone seen this?Solved16KViews6likes171Commentsdevice eth0 entered promiscuous mode
Hi all, I noticed something strange in my logs today, it never appears to have happened (certainly since March) before. Dec 17 09:15:57 despair kernel: device eth0 entered promiscuous mode Dec 17 09:16:02 despair kernel: device eth0 left promiscuous mode And then... Dec 22 14:58:26 despair kernel: device eth0 entered promiscuous mode My device is currently in Promiscous mode too, it has not left it since. I was not logged into the device via Web or SSH around this time and I had a look at the last logins to check nobody else had gained access. I am just curious what's going on and what may cause the interface to switch to promiscous mode. Normally only TCPDUMP causes this to happen. I did also check running processes, I find this one a little odd: avahi-daemon: running [despair.local] Thanks...13KViews0likes14CommentsCan not turn off my ReadyNAS Duo
I am using my ReadyNAS Duo to store picture and music files. I have had acces to it from four different computers in my local network. The computers have different OS; Windows XP, Windows Vista and Windows 7. It has worked well until yesterday. Suddenly the ReadyNAS Duo disappared from the network. I can not see it from Explorer and I can not find it with RAIDar. I have upgraded RAIDar to version (I can not find the version number?). I have the computer with RAIDar on the same part of the network as the ReadyNAS Duo. I have tried to turn off ReadyNAS Duo, but it does not react on my pushing the button on the front. Both green lamps are green with solid light. (I have two discs mirrored). What can I do? I have very importend data on my ReadyNAS. /Hans13KViews0likes24Comments