Forum Replies Created
So I recovered a bunch of old photos from my external drive after accidentally deleting them. Recovery finished fine, file sizes look normal, but now a lot of images won’t open or show weird blocks. Some open once, then break again. Did I screw something up during recovery or are these files just gone?
For the same storage capacity, given that a RAID 10 consists of two RAID 1 arrays, is RAID 10 at least twice as likely to fail?
However, as the four drives in the RAID 10 will be half the capacity of the two drives in the RAID 1, will this also half the chance of a drive failure during rebuild? If so, there is comparable risk of failure between RAID 10 and RAID 1.
However, a RAID 10 will produce more heat and vibration than RAID 1 and draw more power. This will increase the failure rate of RAID 10.
Discuss.
<p style=”margin-bottom: 8px; margin-top: 0px; color: #333d42; font-family: -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Roboto, ‘Helvetica Neue’, Arial, ‘Apple Color Emoji’, ‘Segoe UI Emoji’, ‘Segoe UI Symbol’, sans-serif; font-size: 14px;”>I apologize if this isn’t the right subreddit for this…<br style=”margin-bottom: 0px; margin-top: 0px;” />First, RAID is NOT A BACKUP STRATEGY. I have a separate backup strategy. The goal here is redunancy for the sake up uptime in case of drive failure.</p>
<p style=”margin-bottom: 8px; margin-top: 8px; color: #333d42; font-family: -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Roboto, ‘Helvetica Neue’, Arial, ‘Apple Color Emoji’, ‘Segoe UI Emoji’, ‘Segoe UI Symbol’, sans-serif; font-size: 14px;”>In terms of redundancy, I’m not clear what advantage RAID 5 has over RAID 1 (mirroring). I understand the advantage is supposed to be that you get more useable storage out of a set of drives (3/4 of the total drive capacity).</p>
<p style=”margin-bottom: 8px; margin-top: 8px; color: #333d42; font-family: -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Roboto, ‘Helvetica Neue’, Arial, ‘Apple Color Emoji’, ‘Segoe UI Emoji’, ‘Segoe UI Symbol’, sans-serif; font-size: 14px;”>However, for instance, these days four 5 TB drives costs over $700 (a RAID 5 setup), whereas two 16TB drives (RAID 1) costs just over $400. On each, total capacty of 15-16TB. RAID 1 is faster.</p>
<p style=”margin-bottom: 8px; margin-top: 8px; color: #333d42; font-family: -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Roboto, ‘Helvetica Neue’, Arial, ‘Apple Color Emoji’, ‘Segoe UI Emoji’, ‘Segoe UI Symbol’, sans-serif; font-size: 14px;”>Why would anyone want to go with RAID5? Would it just be the need for a total capacity larger than 32TB, which is the maximum drive size right now?</p>
<p style=”margin-bottom: 0px; margin-top: 8px; color: #333d42; font-family: -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Roboto, ‘Helvetica Neue’, Arial, ‘Apple Color Emoji’, ‘Segoe UI Emoji’, ‘Segoe UI Symbol’, sans-serif; font-size: 14px;”>EDIT: LOL I love everyone in here assuming I’m editing House of Dragons in 8K for $500 per hour and need a petabyte of data on a network NAS. I’m editing 1080p for my church, for free. I need about 16TB of storage, hence the numbers in my post. The example sizes do indeed exist and are indeed the prices I cited, at least according to Amazon as of today.</p>
<span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>I know this has been asked before but can I check:</span><br style=”box-sizing: border-box; margin-top: 0px; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>I have a </span>DS218+<span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”> running DSM7</span><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>I want to convert the current SHR redundant mode into two separate basic drives. Here is my understanding:</span><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>1. Deactivate one drive of the two (lets call the deactivated drive: Drive 2) .</span><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>2. Turn off beeping as the pool is degraded.</span><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>3. Erase Drive 2</span><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>4. Create a new volume on Drive 2</span><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>5. Using Shared Folder, select my folders one by one on Drive 1 and select Edit then select Location and change it to Drive 2</span><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>6. Erase Drive 1</span><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>7. Create a new volume on Drive 1</span><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>Done</span><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>Is that correct?</span><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><br style=”box-sizing: border-box; color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;” /><span style=”color: #141414; font-family: ‘Segoe UI’, ‘Helvetica Neue’, Helvetica, Roboto, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, sans-serif; font-size: 15px;”>Thanks!</span>
<span style=”color: #141618; font-family: ‘Open Sans’, Roboto, -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, ‘Helvetica Neue’, sans-serif; font-size: 14px;”>Hi all,</span><br style=”box-sizing: border-box; margin-top: 0px; color: #141618; font-family: ‘Open Sans’, Roboto, -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, ‘Helvetica Neue’, sans-serif; font-size: 14px;” /><br style=”box-sizing: border-box; color: #141618; font-family: ‘Open Sans’, Roboto, -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, ‘Helvetica Neue’, sans-serif; font-size: 14px;” /><span style=”color: #141618; font-family: ‘Open Sans’, Roboto, -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Oxygen, Ubuntu, Cantarell, ‘Fira Sans’, ‘Droid Sans’, ‘Helvetica Neue’, sans-serif; font-size: 14px;”>My operating system drive died, and I made the mistake of not having it in a RAID 1 with another drive, so I lost all data there. However, my two data drives are still accessible and I can see the location on the filesystem where the vms are located. However, I have no idea where to start putting this all back together. Can anyone help?</span>
Check Windows Security or any third party antivirus history to see if it quarantined a DLL the app needs because that can trigger access violations instantly. Also open Event Viewer and look at the crash details to see the faulting module name which often points to a specific driver or plugin rather than Windows itself.
If you recently updated your graphics driver or are using any overclocking even mild RAM or GPU tweaks roll those back to stock since access violations love unstable memory timings. For older apps try running them as admin or in compatibility mode because Windows 11 is stricter with memory access.
As for lost files data recovery is only useful if something was actually deleted so first check Recycle Bin File History or Previous Versions and only consider recovery software if those come up empty.
INVALID_SOFTWARE_INTERRUPT usually points to low level software behaving badly most often a buggy or outdated driver security software hooking too deep into the system or firmware that does not play nice with recent Windows 11 updates. I also see it triggered by corrupted system files after a forced shutdown or failed update.
Safest fixes are to boot into Safe Mode uninstall recent drivers or third party antivirus run Windows Update fully then run sfc and DISM to repair system files and reset BIOS settings to default if anything was tweaked.
If the PC keeps crashing or will not boot stop trying random fixes and focus on your data first by pulling the drive and connecting it to another PC or using a trusted recovery tool like Stellar data recovery software from a bootable environment so you are not stressing the disk further before doing a repair install or clean reset.
<span style=”color: #000000; font-family: ‘Metric Medium’, Arial, sans-serif;”>Hi</span><br style=”box-sizing: border-box; color: #000000; font-family: ‘Metric Medium’, Arial, sans-serif;” /><br style=”box-sizing: border-box; color: #000000; font-family: ‘Metric Medium’, Arial, sans-serif;” /><span style=”color: #000000; font-family: ‘Metric Medium’, Arial, sans-serif;”>Many people talked about how LTO is faster and good compare to DLT tape.</span><br style=”box-sizing: border-box; color: #000000; font-family: ‘Metric Medium’, Arial, sans-serif;” /><br style=”box-sizing: border-box; color: #000000; font-family: ‘Metric Medium’, Arial, sans-serif;” /><span style=”color: #000000; font-family: ‘Metric Medium’, Arial, sans-serif;”>But my concern is how many time the LTO tape can be reused before it goes bad. meaning it cannot write anymore data to it? or before the Tape library report it status as “poor”</span>
<span style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;”>Good Day,</span><br style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;” /><span style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;”>Guru’s i need your Help To Recover Tape LTO4 800GB Client was using HP Data Protector, OmniBack 5.1 below is the things which i have tried so Far,</span><br style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;” /><br style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;” /><span style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;”>1)Nuclear Kernel Tape Recovery software it Create Image (186GB)but Scan Results is Empty.</span><br style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;” /><span style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;”>2)i Scan image in R-studio got some files around 2GB in RAW format like .doc,.xls,.pst etc files are working but just 2GB.</span><br style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;” /><span style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;”>3)Tried with winhex same results few files only.</span><br style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;” /><br style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;” /><span style=”color: #000000; font-family: ‘Times New Roman’; font-size: medium;”>any comments are highly appreciated Thanks in Advance…………</span>
<span style=”color: #333d42; font-family: -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Roboto, ‘Helvetica Neue’, Arial, ‘Apple Color Emoji’, ‘Segoe UI Emoji’, ‘Segoe UI Symbol’, sans-serif; font-size: 14px;”>I have started looking into LTO tapes for long term archivation of data. What are your opinions on using LTO tapes for personal use in 2020?</span>
<p data-start=”0″ data-end=”15″>Hello everyone,</p>
<p data-start=”17″ data-end=”245″>I’ve recently acquired two <strong data-start=”44″ data-end=”73″>C7971A Ultrium 1 (200 GB) LTO tapes and an <strong data-start=”91″ data-end=”109″>HP Ultrium 448 tape drive. I need to access the data on these tapes and copy it to disk, but I have no prior experience with tape media or LTO drives.</p>
<p data-start=”247″ data-end=”576″>From what I understand, Ultrium 448 drives are designed for newer LTO generations and <em data-start=”333″ data-end=”338″>may be able to read older Ultrium 1 tapes, but compatibility isn’t guaranteed. Before I go any further, I’d like to confirm whether this drive can actually read LTO-1 media and, if so, what software or steps are required to extract the data.</p>
<p data-start=”578″ data-end=”709″>If anyone has experience with this setup or can point me to the correct documentation or tools, I’d really appreciate the guidance.</p>
That error usually means Windows Update can’t find the system files it needs. The most reliable fix is to run DISM followed by SFC to repair the update components, then retry the update without a VPN or third-party antivirus running. If it still fails, installing the update or feature using a Windows ISO that matches your exact Windows 11 version usually fixes it for good. This process shouldn’t touch personal files, but if crashes or failed repairs caused something to go missing, Stellar Data Recovery can safely scan the drive and recover readable files as long as they haven’t been overwritten.
That error usually means Windows can’t find the files it needs to install updates or features. The most reliable fix is to run DISM with Windows Update as the source, then follow it with SFC to clean up system files. Make sure you’re online, not using a VPN, and that third party antivirus isn’t blocking updates. If it still fails, installing the feature using a Windows ISO that matches your build often clears it permanently. This process shouldn’t delete personal files, but if something does go missing during crashes or repairs, Stellar Data Recovery can help recover readable data as long as it hasn’t been overwritten.
That error usually comes from corrupted system files, a blocked app, or security software getting a little too aggressive. I’d start by running SFC and DISM, then do a full malware scan and temporarily disable any third party antivirus to see if it’s interfering. Reinstall the apps that won’t open and make sure Windows is fully updated. This issue itself doesn’t normally delete files, but if something important went missing during crashes or cleanup, Stellar Data Recovery can safely scan the drive and recover readable files as long as they haven’t been overwritten.
If it’s an SSD or newer drive, there’s a good chance TRIM already wiped parts of the data. Recovery tools can rebuild filenames but not missing content.