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Questions tagged [metadata]

32 questions
15
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1 answer

How to prevent/firewall calls to AWS EC2 Instance Metadata API?

The AWS EC2 Instance Metadata API provides a lot of useful functionality. Anyone on the actual EC2 instance can make a call to http://169.254.169.254/ and see metadata for the instance the call was made from. The security of the API is such that it…
Tristan
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5
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2 answers

How do I view NTFS metadata?

On a Windows Server 2008 R2 file server, we are encountering a memory usage problem. We used RAMMap to troubleshoot, and found that 10GB of NTFS Metadata is being cached in memory and never gets released. My first thought was that the Master File…
Phil
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4
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3 answers

How do I move the physical location of $MFTMirr, to allow resizing the partition?

When an NTFS volume is created, the first four entries of the MFT are copied and placed halfway the volume in the $MFTMirr file. According to Microsoft, since XP these files (metadata files) can be moved, but in practice I don't seem to be able to…
Abel
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3
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1 answer

How to accelerate metadata (getattr) requests on an NFS file server for fast locally-cached reads?

We have a storage server with a 12 disk RAID-6 pool of 100 TB. It is used by several client compute nodes via NFS, mostly running deep learning training (lots of images ~100 KB, loaded in random order). To speed up file access, we use cachefilesd on…
isarandi
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3
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1 answer

Cannot delete DC from AD after dcpromo /forceremoval

Very much a follow on from this question I asked earlier here. Trying to go through metadata cleanup but every time I click delete on the offending DC I get an access denied (after prompts about it being a GC). Is there any other way I can remove…
user35213
3
votes
1 answer

SharePoint metadata not visible to users

I'm working on a dynamic page that does data lookups based on metadata in the term store. So I have a Managed Metadata column set up and I can use it to query lists and such with no problem. I also have an image library with a managed metadata…
Keith
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2
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0 answers

Creator of the instance

I am trying to figure out how to get information about who is the creator of an instance in the GCP. The use case: I wish to build a certain automation, and one of the requirements is to get information about who is the creator of the instances…
Shai
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2
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1 answer

Replacing a failed disk HP P2000 SAN - Invalid Metadata

On Friday I had an absolute disaster. I went to the datacenter in order to rack a new server and at the same time, took a new disk with me to replace a drive that had failed a couple of weeks back in a HP P2000 G3 10Gbit iSCSI array. The P2000 is…
tomstephens89
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2
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Recommendations for DNSSEC key metadata

In order to implement auto-dnssec maintain in the 9.7+ versions of BIND, one adds dates to the keys as metadata. After a lot of reading, I've come up with the following and hope that someone can confirm or correct it: $TTL 8h KSK lifespan == 1y ZSK…
ericx
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Mercurial storing metadata on OS X

I was searching for convenient incremental snapshot & rollback & show-what-changed solution for my OS X boxes, and ended with simple yet powerful idea — why not create Mercurial repository at the root fs of freshly installed OS, configure exclusions…
toriningen
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What is the default metadata size in temporary volume during a pvmove?

I ran into an interesting error when attempting to address a particular problem. We had an issue where we have to move the extents over to new physical volumes because the metadata size was too small (255 sectors or 128k). We have increased the…
Rilindo
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1 answer

Other virtual drive formats for linking to physical disk device or to archive content

It is known that you can link to physical disk device through VMDK virtual drive format. It works on Mac*, Lin*, Win* with VirtualBox or VMware ( here solution with VBoxManage internalcommands createrawvmdk is described ). I repeat: it is about…
user1742529
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Is it possible to fix corrupt LUKS header?

I just accidentally overwrote the LUKS metadata of my volume with a new LVM header. I have copy of the original LUKS header but can't find it. Just in case, I made a dd image of the first 10MB of the now corrupt volume on a thumb drive. My question…
zonko
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AWS EC2 Instance Metadata service fails to respond

Environment, system details, and tools: AWS EC2 EC2 Instance Metadata service (i.e. http://169.254.169.254/latest/meta-data/) Cloudwatch wget bash Ubuntu 14.04 Has anyone ever seen this? We have a cron job that pushes Cloudwatch metrics from…
JDS
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1 answer

Why is find not excluding old files?

I want to copy all gzipped files from my apache logs that were created less than 43 days ago. As a test, I simply listed my files from find: sudo find /var/log/apache2/ -mindepth 1 -ctime -43 -name "*.gz" -ls But the results are including files…
HorusKol
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