search for: eraseable

Displaying 20 results from an estimated 2071 matches for "eraseable".

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2017 Mar 22
1
KVM guest fails to boot cleanly
I have a KVM vm running CentOS-6.8 on a host also running CentOS-6.8. This instance is used for occasional development projects which require segregation. Thus it is seldom accessed. At some point in the recent past this guest developed an issue with starting. Specifically these messages were found in the system log files: /var/log/messages-20170312:Mar 10 16:31:06 vhost04 kernel: dracut:
2008 May 23
3
[LLVMdev] Iterator issue in BranchFolder::RemoveBlocksWithHash?
Hi all, I updated from 2.2 to the latest SVN head and I now get a debug assert in BranchFolder::RemoveBlocksWithHash: "vector iterators incompatible". I'm using Visual C++ 2005. I think this is the culprit code: MergePotentials.erase(CurMPIter); if (CurMPIter==B) break; The erase clears the _Mycont field (i.e. the iterator's container), while the ==
2020 Sep 14
6
erasing a disk
Folks I've encountered situations where I want to reuse a hard-drive. I do not want to preserve anything on the drive, and I'm not concerned about 'securely erasing' old content. I just want to be able to define it as an Physical Volume (in a logical volume set), or make it a ZFS disk, or sometimes make it a simple EXT3, ExFAT or NTFS disk. However, old
2008 May 23
0
[LLVMdev] Iterator issue in BranchFolder::RemoveBlocksWithHash?
On May 23, 2008, at 4:10 AM, Nicolas Capens wrote: > Hi all, > > I updated from 2.2 to the latest SVN head and I now get a debug > assert in BranchFolder::RemoveBlocksWithHash: “vector iterators > incompatible”. I’m using Visual C++ 2005. I think this is the > culprit code: > > MergePotentials.erase(CurMPIter); > if (CurMPIter==B) > break; >
2016 Feb 08
7
Utility to zero unused blocks on disk
DBAN is obsolete. NIST 800-88 for some time now says to use secure erase or enhanced security erase or crypto erase if supported. Other options do not erase data in remapped sectors. Chris Murphy
2014 Jul 15
2
[LLVMdev] Bug in MapVector::erase ?
Hi Oliver, There would be no problem if both the Map and the Vector indeed contained (Key,Value) pairs. To save space, Map entries do not contain Value but instead an unsigned index into the Vector: /// The values are kept in a std::vector and the /// mapping is done with DenseMap from Keys to indexes in that vector. After an element is erased from the Vector all indices greater than the
2014 Jul 15
2
[LLVMdev] [cfe-dev] Bug in MapVector::erase ?
> On 2014-Jul-15, at 08:29, David Blaikie <dblaikie at gmail.com> wrote: > > Sounds pretty clearly buggy, and against the original design of the > ADT (as pointed out by the documentation quotation). When was erase > functionality added to MapVector? Can/should it be removed (and the > use case changed to use some other container) > > Making erase linear time
2008 May 27
2
[LLVMdev] Iterator issue in BranchFolder::RemoveBlocksWithHash?
On May 23, 2008, at 10:19 AM, Dale Johannesen wrote: > On May 23, 2008, at 4:10 AM, Nicolas Capens wrote: > >> I updated from 2.2 to the latest SVN head and I now get a debug >> assert in BranchFolder::RemoveBlocksWithHash: “vector iterators >> incompatible”. I’m using Visual C++ 2005. I think this is the >> culprit code: >> >>
2008 May 27
2
[LLVMdev] Iterator issue in BranchFolder::RemoveBlocksWithHash?
On May 27, 2008, at 2:01 PM, Dale Johannesen wrote: > On May 27, 2008, at 1:40 PM, Mike Stump wrote: >> >> From n2461: >> >>> 8 The insert members shall not affect the validity of iterators and >>> references to the container, and the erase members shall invalidate >>> only iterators and references to the erased elements. >> >> Pretty
2008 Sep 24
3
Changing a plot
Hello list, I've been working on this problem for a while and I haven't been able to come up with a solution. I have a couple of functions that plot a bunch of data, then a single point on top of it. What I want is to be able to change the plot of the point without replotting all the data. Consider the following example: x = rnorm(100,1,0.5) y = rnorm(100,1,0.5) plot(x,y,pch=16)
2002 Aug 06
1
polygon() draws non-transparent border, erase.screen draws non-transparent border (PR#1881)
# polygon ignores requests to have its border transparent, look at par(bg="transparent") plot(c(0, 3), 0:1) polygon(c(0, 1, 1, 0), c(0, 0, 1, 1), border=NA, col = 0) polygon(c(1, 2, 2, 1), c(0, 0, 1, 1), border="transparent", col = 0) polygon(c(2, 3, 3, 2), c(0, 0, 1, 1), border=0, col = 0) # a quick fix for erase.screen() is the following erase.screen <- function (n =
2012 May 22
3
SSD erase state and reducing SSD wear
I''ve got two recent examples of SSDs. Their pristine state from the manufacturer shows: Device Model: OCZ-VERTEX3 # hexdump -C /dev/sdd 00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 1bf2976000 Device Model: OCZ VERTEX PLUS (OCZ VERTEX 2E) # hexdump -C /dev/sdd 00000000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................| *
2014 Jul 15
2
[LLVMdev] [cfe-dev] Bug in MapVector::erase ?
> On 2014-Jul-15, at 09:38, David Blaikie <dblaikie at gmail.com> wrote: > > On Tue, Jul 15, 2014 at 9:31 AM, Duncan P. N. Exon Smith > <dexonsmith at apple.com> wrote: >> >>> On 2014-Jul-15, at 08:29, David Blaikie <dblaikie at gmail.com> wrote: >>> >>> Sounds pretty clearly buggy, and against the original design of the
2014 Jul 15
3
[LLVMdev] [cfe-dev] Bug in MapVector::erase ?
> On 2014-Jul-15, at 11:07, Reid Kleckner <rnk at google.com> wrote: > > Can we explicitly delete the erase method or do something else to document the fact that it is unsupported? It was added incidentally in r211350, even though it was added and removed by Doug back in r175538 / r175449. > I'm happy with it deleted or fixed (see WIP patch that fixes it w/o tests). For
2020 Sep 14
0
erasing a disk
At Mon, 14 Sep 2020 13:14:44 -0700 CentOS mailing list <centos at centos.org> wrote: > > Folks > > I've encountered situations where I want to reuse a hard-drive. I do > not want to preserve anything on the drive, and I'm not concerned > about 'securely erasing' old content. I just want to be able to > define it as an Physical Volume (in a logical
2020 Sep 14
0
erasing a disk
what if you just dd the first 1GB of the disk and the last GB of the disk (the last because of RAID signatures of some controllers that write to the end of the disk) Look at this article and modify accordingly https://zedt.eu/tech/linux/using-dd-to-repeatedly-erase-a-specific-range-of-sectors-on-the-hard-disk/ Also, use wipefs -a (Gordon Messmer answered faster than me) On Mon, Sep 14, 2020 at
2016 Feb 09
4
Utility to zero unused blocks on disk
On Mon, Feb 8, 2016 at 3:18 PM, <m.roth at 5-cent.us> wrote: > Chris Murphy wrote: >> DBAN is obsolete. NIST 800-88 for some time now says to use secure erase >> or enhanced security erase or crypto erase if supported. >> >> Other options do not erase data in remapped sectors. > > dban doesn't? What F/OSS does "secure erase"? And does it do
2015 Apr 01
2
[LLVMdev] Why the fault?
for (BasicBlock::reverse_iterator I = BB.rbegin(), E = BB.rend(); I != E; ) { Instruction& inst = *I; ++I; <-- iterator should be advanced to the previous instruction // Happens to be an Instruction::SExt. // Works fine if I iterate forwards if (isInstructionTriviallyDead(&inst, TLI)) inst.eraseFromParent(); } Sorry for the inexperienced question, but
2004 Oct 12
5
[LLVMdev] set_intersect and Visual C compiler
On Tue, 12 Oct 2004 14:01:21 -0500 (CDT) Chris Lattner <sabre at nondot.org> wrote: > On Tue, 12 Oct 2004, Morten Ofstad wrote: > > > This is my first post on this mailing list, so bear with me... My name > > is Morten Ofstad and I work for Hue AS (www.hue.no), a company that > > makes 3D Visualization software. We are looking into using LLVM for JIT > >
2012 Feb 08
2
[PATCH v3 0/2] Add a new api wipefs
Hi Rich: This is a alternative patch, if you like the api name called wipefs ;-P Thanks -Wanlong Gao Wanlong Gao (2): NEW API: add a new api wipefs virt-format: erase the filesystem signatures before erase partitions TODO | 2 -- daemon/zero.c | 17 +++++++++++++++++ format/format.c | 19 ++++---------------